Common Weakness Enumeration

CWE-94

Allowed-with-Review

Improper Control of Generation of Code ('Code Injection')

Abstraction: Base · Status: Draft

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

3765 vulnerabilities reference this CWE, most recent first.

CVE-2026-21853 (GCVE-0-2026-21853)

Vulnerability from cvelistv5 – Published: 2026-03-02 18:55 – Updated: 2026-03-02 19:19
VLAI
Title
AFFiNE: One-click Remote Code Execution through Custom URL Handling
Summary
AFFiNE is an open-source, all-in-one workspace and an operating system. Prior to version 0.25.4, there is a one-click remote code execution vulnerability. This vulnerability can be exploited by embedding a specially crafted affine: URL on a website. An attacker can trigger the vulnerability in two common scenarios: 1/ A victim visits a malicious website controlled by the attacker and the website redirect to the URL automatically, or 2/ A victim clicks on a crafted link embedded on a legitimate website (e.g., in user-generated content). In both cases, the browser invokes AFFiNE custom URL handler, which launches the AFFiNE app and processes the crafted URL. This results in arbitrary code execution on the victim’s machine, without further interaction. This issue has been patched in version 0.25.4.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-02 19:18 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
GitHub_M CNA
Impacted products
Vendor Product Version
toeverything AFFiNE Affected: < 0.25.4
Create a notification for this product.
Show details on NVD website

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CVE-2026-21658 (GCVE-0-2026-21658)

Vulnerability from cvelistv5 – Published: 2026-02-27 08:59 – Updated: 2026-02-27 13:07
VLAI
Title
Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
Summary
Unauthenticated Remote Code Execution i.e Improper Control of Generation of Code ('Code Injection') vulnerability in Johnson Controls Frick Controls Quantum HD allows Code Injection. Insufficient validation of input in certain parameters may permit unexpected actions, which could impact the security of the device before authentication occurs.This issue affects Frick Controls Quantum HD version 10.22 and prior.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 13:03 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
jci CNA
Impacted products
Vendor Product Version
Johnson Controls Frick Controls Quantum HD Affected: Frick Controls Quantum HD version 10.22 and prior
Create a notification for this product.
Date Public
2026-02-26 08:58
Show details on NVD website

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CVE-2026-21657 (GCVE-0-2026-21657)

Vulnerability from cvelistv5 – Published: 2026-02-27 08:54 – Updated: 2026-03-06 18:41
VLAI
Title
Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
Summary
Improper Control of Generation of Code ('Code Injection') vulnerability in Johnson Controls Frick Controls Quantum HD allows Code Injection. Insufficient validation of input in certain parameters may permit unexpected actions, which could impact the security of the device before authentication occurs.This issue affects Frick Controls Quantum HD version 10.22 and prior.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 16:32 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
jci CNA
Impacted products
Vendor Product Version
Johnson Controls Frick Controls Quantum HD Affected: Frick Controls Quantum HD version 10.22 and prior
Create a notification for this product.
Date Public
2026-02-26 08:48
Show details on NVD website

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CVE-2026-21656 (GCVE-0-2026-21656)

Vulnerability from cvelistv5 – Published: 2026-02-27 08:47 – Updated: 2026-03-06 18:42
VLAI
Title
Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
Summary
Improper Control of Generation of Code ('Code Injection') vulnerability in Johnson Controls Frick Controls Quantum HD allows Code Injection. Insufficient validation of input in certain parameters may permit unexpected actions, which could impact the security of the device before authentication occurs.This issue affects Frick Controls Quantum HD version 10.22 and prior.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 16:35 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
jci CNA
Impacted products
Vendor Product Version
Johnson Controls Frick Controls Quantum HD Affected: Frick Controls Quantum HD version 10.22 and prior
Create a notification for this product.
Date Public
2026-02-26 08:40
Show details on NVD website

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CVE-2026-21537 (GCVE-0-2026-21537)

Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-08-19 16:26
VLAI
Title
Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
Summary
Improper control of generation of code ('code injection') in Microsoft Defender for Linux allows an unauthorized attacker to execute code over an adjacent network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 04:55 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Microsoft Defender for Endpoint for Linux Affected: 101.0.0 , < 1.0.9.0 (custom)
    cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-02-10 16:00
Show details on NVD website

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CVE-2026-21256 (GCVE-0-2026-21256)

Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-08-19 16:26
VLAI
Title
GitHub Copilot and Visual Studio Remote Code Execution Vulnerability
Summary
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to execute code over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 04:56 UTC
CWE
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
microsoft CNA
References
Impacted products
Date Public
2026-02-10 16:00
Show details on NVD website

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CVE-2026-20892 (GCVE-0-2026-20892)

Vulnerability from cvelistv5 – Published: 2026-03-11 05:25 – Updated: 2026-03-11 15:39
VLAI
Summary
Code injection vulnerability exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker with administrative privileges to execute arbitrary commands.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 15:37 UTC
CWE
Assigner
jpcert CNA
Impacted products
Vendor Product Version
Micro Research Ltd. MR-GM5L-S1 Affected: firmware versions prior to v2.01.04N1_02
Create a notification for this product.
Micro Research Ltd. MR-GM5A-L1 Affected: firmware versions prior to v2.01.04N1_02
Create a notification for this product.
Show details on NVD website

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CVE-2026-20045 (GCVE-0-2026-20045)

Vulnerability from cvelistv5 – Published: 2026-01-21 16:26 – Updated: 2026-02-26 14:44
VLAI
Title
Cisco Unified Communications Products Remote Code Execution Vulnerability
Summary
A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connection, and Cisco Webex Calling Dedicated Instance could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device.  This vulnerability is due to improper validation of user-supplied input in HTTP requests. An attacker could exploit this vulnerability by sending a sequence of crafted HTTP requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root.  Note: Cisco has assigned this security advisory a Security Impact Rating (SIR) of Critical rather than High as the score indicates. The reason is that exploitation of this vulnerability could result in an attacker elevating privileges to root.
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 04:55 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
cisco CNA
Impacted products
Vendor Product Version
Cisco Cisco Unified Communications Manager Affected: 12.5(1)SU2
Affected: 12.5(1)SU1
Affected: 12.5(1)
Affected: 12.5(1)SU3
Affected: 12.5(1)SU4
Affected: 14
Affected: 12.5(1)SU5
Affected: 14SU1
Affected: 12.5(1)SU6
Affected: 14SU2
Affected: 12.5(1)SU7
Affected: 12.5(1)SU7a
Affected: 14SU3
Affected: 12.5(1)SU8
Affected: 12.5(1)SU8a
Affected: 15
Affected: 15SU1
Affected: 14SU4
Affected: 14SU4a
Affected: 15SU1a
Affected: 12.5(1)SU9
Affected: 15SU2
Affected: 15.0.1.13010-1
Affected: 15.0.1.13011-1
Affected: 15.0.1.13012-1
Affected: 15.0.1.13013-1
Affected: 15.0.1.13014-1
Affected: 15.0.1.13015-1
Affected: 15.0.1.13016-1
Affected: 15.0.1.13017-1
Affected: 15SU3a
Create a notification for this product.
Cisco Cisco Unified Communications Manager IM and Presence Service Affected: 12.5(1)
Affected: 12.5(1)SU1
Affected: 12.5(1)SU2
Affected: 12.5(1)SU3
Affected: 12.5(1)SU4
Affected: 14
Affected: 12.5(1)SU5
Affected: 14SU1
Affected: 12.5(1)SU6
Affected: 14SU2
Affected: 14SU2a
Affected: 12.5(1)SU7
Affected: 14SU3
Affected: 12.5(1)SU8
Affected: 15
Affected: 15SU1
Affected: 14SU4
Affected: 12.5(1)SU9
Affected: 15SU2
Affected: 15SU3
Create a notification for this product.
Cisco Cisco Unity Connection Affected: 12.5(1)
Affected: 12.5(1)SU1
Affected: 12.5(1)SU2
Affected: 12.5(1)SU3
Affected: 12.5(1)SU4
Affected: 14
Affected: 12.5(1)SU5
Affected: 14SU1
Affected: 12.5(1)SU6
Affected: 14SU2
Affected: 12.5(1)SU7
Affected: 14SU3
Affected: 12.5(1)SU8
Affected: 14SU3a
Affected: 12.5(1)SU8a
Affected: 15
Affected: 15SU1
Affected: 14SU4
Affected: 12.5(1)SU9
Affected: 15SU2
Affected: 15SU3
Create a notification for this product.
Show details on NVD website

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CVE-2026-19998 (GCVE-0-2026-19998)

Vulnerability from cvelistv5 – Published: 2026-08-17 07:15 – Updated: 2026-08-18 13:37 X_Freeware
VLAI
Title
code-projects Online Shopping System offersmail.php cross site scripting
Summary
A weakness has been identified in code-projects Online Shopping System 1.0. Impacted is an unknown function of the file offersmail.php. Executing a manipulation of the argument email can lead to cross site scripting. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 13:30 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
code-projects Online Shopping System Affected: 1.0
    cpe:2.3:a:code-projects:online_shopping_system:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-19995 (GCVE-0-2026-19995)

Vulnerability from cvelistv5 – Published: 2026-08-17 06:30 – Updated: 2026-08-17 15:24
VLAI
Title
Webkul Bagisto RMA Message send-message cross site scripting
Summary
A vulnerability was determined in Webkul Bagisto up to 2.4.4. This affects an unknown part of the file /customer/account/rma/send-message of the component RMA Message Handler. This manipulation of the argument Message causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor confirms: "The reported issues were already identified through our internal security assessment process prior to this notification and are being handled through our established internal security and development lifecycle. Some of these items have already been addressed, while the remaining items are planned for resolution in upcoming product releases."
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 15:22 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/391196 vdb-entrytechnical-description
https://vuldb.com/vuln/391196/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19995 third-party-advisory
https://vuldb.com/submit/870356 third-party-advisory
https://github.com/Mitchell45/PHP_Web_POCs/blob/m… exploit
Impacted products
Vendor Product Version
Webkul Bagisto Affected: 2.4.0
Affected: 2.4.1
Affected: 2.4.2
Affected: 2.4.3
Affected: 2.4.4
    cpe:2.3:a:webkul:bagisto:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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          "value": "A vulnerability was determined in Webkul Bagisto up to 2.4.4. This affects an unknown part of the file /customer/account/rma/send-message of the component RMA Message Handler. This manipulation of the argument Message causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor confirms: \"The reported issues were already identified through our internal security assessment process prior to this notification and are being handled through our established internal security and development lifecycle. Some of these items have already been addressed, while the remaining items are planned for resolution in upcoming product releases.\""
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
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          "name": "VDB-391196 | Webkul Bagisto RMA Message send-message cross site scripting",
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          "url": "https://vuldb.com/cve/CVE-2026-19995"
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          "time": "2026-08-16T20:10:40.000Z",
          "value": "VulDB entry last update"
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      "title": "Webkul Bagisto RMA Message send-message cross site scripting",
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    "datePublished": "2026-08-17T06:30:08.488Z",
    "dateReserved": "2026-08-16T18:05:16.906Z",
    "dateUpdated": "2026-08-17T15:24:13.047Z",
    "state": "PUBLISHED"
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Mitigation
Architecture and Design

Strategy: Refactoring

Refactor your program so that you do not have to dynamically generate code.

Mitigation
Architecture and Design
  • Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
  • Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
Mitigation MIT-5
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
Mitigation
Testing

Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.

Mitigation MIT-32
Operation

Strategy: Compilation or Build Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

Mitigation MIT-32
Operation

Strategy: Environment Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

Mitigation
Implementation

For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].

CAPEC-242: Code Injection

An adversary exploits a weakness in input validation on the target to inject new code into that which is currently executing. This differs from code inclusion in that code inclusion involves the addition or replacement of a reference to a code file, which is subsequently loaded by the target and used as part of the code of some application.

CAPEC-35: Leverage Executable Code in Non-Executable Files

An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.

CAPEC-77: Manipulating User-Controlled Variables

This attack targets user controlled variables (DEBUG=1, PHP Globals, and So Forth). An adversary can override variables leveraging user-supplied, untrusted query variables directly used on the application server without any data sanitization. In extreme cases, the adversary can change variables controlling the business logic of the application. For instance, in languages like PHP, a number of poorly set default configurations may allow the user to override variables.