Common Weakness Enumeration

CWE-494

Allowed

Download of Code Without Integrity Check

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.

168 vulnerabilities reference this CWE, most recent first.

CVE-2026-123508 (GCVE-0-2026-123508)

Vulnerability from cvelistv5 – Published: 2026-11-08 01:37 – Updated: 2026-11-08 01:37
VLAI
Title
Vikunja before 2.7.1 Supply Chain Risk via Unpinned xgo Release Toolchain
Summary
Vikunja before 2.7.1 contains a supply chain vulnerability in its mage release targets that fetch the xgo module and Docker image by mutable latest references. Attackers who compromise the upstream xgo module, image, or registry can inject malicious code into subsequently built release binaries shipped under a valid signature.
Severity
2 (Low)
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-494 - Download of Code Without Integrity Check
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
go-vikunja vikunja Affected: 0 , < 2.7.1 (semver)
Unaffected: 2.7.1 (semver)
    cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-22 00:00
Show details on NVD website
To clipboard 

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CVE-2026-121750 (GCVE-0-2026-121750)

Vulnerability from cvelistv5 – Published: 2026-11-04 21:28 – Updated: 2026-11-09 20:47
VLAI
Title
nvm install --offline installs a cached tarball that previously failed checksum verification
Summary
Node Version Manager (nvm) is a POSIX-compliant shell function for managing multiple node.js versions. In versions 0.40.5 through 0.40.8, `nvm_download_artifact` downloads a release archive directly to its final path in `$NVM_DIR/.cache` and verifies its checksum afterwards; on a checksum mismatch it reports an error but leaves the rejected archive in place. A later `nvm install --offline` of the same version installs that cached file without a checksum, so an archive that was just rejected gets installed and its `node` and `npm` run. This gives code execution to a party who can alter the downloaded tarball (for example a poisoned CDN or cache object) but cannot also forge the `SHASUMS256.txt` beside it, if the victim runs `nvm install --offline` for that version after the visible "Checksums do not match" failure and before any online retry. Version 0.41.0 only puts an archive in the cache once its checksum has passed.
Severity
2.1 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 20:46 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
  • CWE-459 - Incomplete Cleanup
Assigner
harborist CNA
References
Impacted products
Vendor Product Version
nvm-sh nvm Affected: 0.40.5 , < 0.41.0 (semver)
Create a notification for this product.
Credits
Anthropic's OSS Scanner, as vulnerability ANT-2026-7NCT51FE Jordan Harband (https://github.com/ljharb)
Show details on NVD website
To clipboard 

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CVE-2026-118791 (GCVE-0-2026-118791)

Vulnerability from cvelistv5 – Published: 2026-11-09 12:03 – Updated: 2026-11-09 12:03
VLAI
Title
Insecure software update mechanism
Summary
The application implements software update functionality without adequate authenticity and integrity validation, allowing update packages to be accepted without sufficient cryptographic verification.
Severity
7.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
CWE
Assigner
ENISA CNA
References
Impacted products
Vendor Product Version
CompuGroup Medical Wingesfar Affected: 0 , < 10.2.1 (semver)
Create a notification for this product.
Credits
Marco Sala CSIRT-IT ApoCert srl
Show details on NVD website
To clipboard 

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CVE-2026-118462 (GCVE-0-2026-118462)

Vulnerability from cvelistv5 – Published: 2026-11-09 11:51 – Updated: 2026-11-09 11:51
VLAI
Title
AIS update mechanism executes unverified code
Summary
Update components download and execute code without proper authenticity verification, relying on ignored hashes or forgeable checksums. Some update paths also permit archive traversal or script execution.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
Assigner
ENISA CNA
References
Impacted products
Credits
Marco Sala CSIRT-IT ApoCert srl
Show details on NVD website
To clipboard 

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CVE-2026-113717 (GCVE-0-2026-113717)

Vulnerability from cvelistv5 – Published: 2026-10-20 19:22 – Updated: 2026-10-20 19:32
VLAI
Title
virtualenv: Pip seeding with download omits wheel digest verification
Summary
virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, PipInvoke.get_pip_install_cmd() handles --seeder pip --download by calling get_wheel(download=False) and then allowing pip to consult the configured index, bypassing virtualenv's download_wheel() and verify_wheel_digest() path. When virtualenv's default-index PyPI digest comparison remains enabled, an index candidate matching the bundled package and version can therefore be selected without comparison to PyPI SHA-256 metadata. Explicit custom-index settings already opt out of that comparison and remain outside this verification-bypass claim; the demonstrated configuration used a non-PyPI index while leaving the index environment variables unset so the comparison policy remained active. This condition does not independently defeat TLS or establish control of the index response. This issue is fixed in version 21.14.9.
Severity
2.3 (Low)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 19:32 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
pypa virtualenv Affected: < 21.14.9
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-112170 (GCVE-0-2026-112170)

Vulnerability from cvelistv5 – Published: 2026-11-09 12:38 – Updated: 2026-11-09 12:38
VLAI
Title
Improper verification of downloaded upgrades
Summary
The software downloads upgrade files without performing integrity checks, allowing the installation of tampered updates.
Severity
6.3 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-306 - Missing authentication for critical function
  • CWE-494 - Download of code without integrity check
  • CWE-427 - Uncontrolled search path element
Assigner
ENISA CNA
References
Impacted products
Vendor Product Version
GALENO SISTEMI MAGISTRA Affected: 3.12 (custom)
    cpe:2.3:a:galeno_sistemi:magistra:3.12:*:windows:*:*:*:*:*
Create a notification for this product.
Credits
Marco Sala CSIRT-IT ApoCert srl
Show details on NVD website
To clipboard 

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CVE-2026-110102 (GCVE-0-2026-110102)

Vulnerability from cvelistv5 – Published: 2026-10-13 16:53 – Updated: 2026-10-14 15:43
VLAI
Title
powerlevel10k through 1.20.0 Download of Code Without Integrity Check in gitstatus Installer
Summary
Powerlevel10k through 1.20.0 contains an insecure download vulnerability in the gitstatus/install script that disables TLS certificate verification with curl -k and skips integrity checks when no SHA-256 utility exists. Network-positioned attackers can intercept the github.com mirror request and substitute a malicious archive, which runs as the gitstatusd daemon under the user's account on every prompt.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 15:43 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
romkatv powerlevel10k Affected: 0 , ≤ 1.20.0 (custom)
Create a notification for this product.
Date Public
2026-10-13 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-110022 (GCVE-0-2026-110022)

Vulnerability from cvelistv5 – Published: 2026-11-04 09:19 – Updated: 2026-11-04 20:10
VLAI
Title
Signed plug-in validation bypass
Summary
The PFI plugin framework deploys executable assemblies (DLLs) from a signed plugin package into the local plugin repository and loads them via reflection, but the deployment routine processes archive entries that were never covered by the signature verification. An unauthenticated local attacker can replace an unsigned DLL outside the signed prefix in the archive passes verification and overwrites the legitimate signed assembly at the same destination path. The plugin loader then instantiates the attacker-supplied code without any additional integrity check resulting in a full compromise of the affected systems.
Severity
8.6 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 20:10 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Assigner
CERTVDE CNA
References
Impacted products
Vendor Product Version
Phoenix Contact PLCnext Engineer Affected: 0.0 , < 2026.6 (semver)
    cpe:2.3:a:phoenix_contact:plcnext_engineer:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Ievgen Bondarenko
Show details on NVD website
To clipboard 

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CVE-2026-108160 (GCVE-0-2026-108160)

Vulnerability from cvelistv5 – Published: 2026-10-09 16:04 – Updated: 2026-10-09 19:35
VLAI
Title
AstronRPA through 1.1.6 Unsigned Update Installation via Plain-HTTP Feed
Summary
AstronRPA through 1.1.6 contains a download of code without integrity check vulnerability that allows network attackers to deliver malicious updates by abusing the desktop client's auto-update mechanism. Attackers positioned between the client and server can serve a malicious update manifest and NSIS installer, which electron-updater installs without signature verification, executing code as the desktop user.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 19:35 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
iflytek astron-rpa Affected: 0 , ≤ 1.1.6 (semver)
Create a notification for this product.
Date Public
2026-10-06 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-107812 (GCVE-0-2026-107812)

Vulnerability from cvelistv5 – Published: 2026-10-09 15:41 – Updated: 2026-10-09 19:07
VLAI
Title
Nginx UI: Self-upgrade runs an unsigned binary verified only by a same-origin digest → RCE via a compromised mirror or MITM
Summary
Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, the self-upgrade mechanism validates a downloaded binary only with a same-origin digest obtained from the same upgrade mirror. A compromised mirror or network attacker able to alter both responses can supply a malicious executable and matching digest. An operator-triggered upgrade is required, and the application installs and runs the attacker-controlled code in the Nginx UI process context on the next upgrade. This issue is fixed in version 2.5.0.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 19:07 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
0xJacky nginx-ui Affected: >= 2.0.0, < 2.5.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation MIT-42
Implementation

Perform proper forward and reverse DNS lookups to detect DNS spoofing.

Mitigation
Architecture and Design Operation
  • Encrypt the code with a reliable encryption scheme before transmitting.
  • This will only be a partial solution, since it will not detect DNS spoofing and it will not prevent your code from being modified on the hosting site.
Mitigation MIT-4
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
  • Speficially, it may be helpful to use tools or frameworks to perform integrity checking on the transmitted code.
  • When providing the code that is to be downloaded, such as for automatic updates of the software, then use cryptographic signatures for the code and modify the download clients to verify the signatures. Ensure that the implementation does not contain CWE-295, CWE-320, CWE-347, and related weaknesses.
  • Use code signing technologies such as Authenticode. See references [REF-454] [REF-455] [REF-456].
Mitigation MIT-17
Architecture and Design Operation

Strategy: Environment Hardening

Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.

Mitigation MIT-22
Architecture and Design Operation

Strategy: Sandbox or Jail

  • Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
  • OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-184: Software Integrity Attack

An attacker initiates a series of events designed to cause a user, program, server, or device to perform actions which undermine the integrity of software code, device data structures, or device firmware, achieving the modification of the target's integrity to achieve an insecure state.

CAPEC-185: Malicious Software Download

An attacker uses deceptive methods to cause a user or an automated process to download and install dangerous code that originates from an attacker controlled source. There are several variations to this strategy of attack.

CAPEC-186: Malicious Software Update

An adversary uses deceptive methods to cause a user or an automated process to download and install dangerous code believed to be a valid update that originates from an adversary controlled source.

CAPEC-187: Malicious Automated Software Update via Redirection

An attacker exploits two layers of weaknesses in server or client software for automated update mechanisms to undermine the integrity of the target code-base. The first weakness involves a failure to properly authenticate a server as a source of update or patch content. This type of weakness typically results from authentication mechanisms which can be defeated, allowing a hostile server to satisfy the criteria that establish a trust relationship. The second weakness is a systemic failure to validate the identity and integrity of code downloaded from a remote location, hence the inability to distinguish malicious code from a legitimate update.

CAPEC-533: Malicious Manual Software Update

An attacker introduces malicious code to the victim's system by altering the payload of a software update, allowing for additional compromise or site disruption at the victim location. These manual, or user-assisted attacks, vary from requiring the user to download and run an executable, to as streamlined as tricking the user to click a URL. Attacks which aim at penetrating a specific network infrastructure often rely upon secondary attack methods to achieve the desired impact. Spamming, for example, is a common method employed as an secondary attack vector. Thus the attacker has in their arsenal a choice of initial attack vectors ranging from traditional SMTP/POP/IMAP spamming and its varieties, to web-application mechanisms which commonly implement both chat and rich HTML messaging within the user interface.

CAPEC-538: Open-Source Library Manipulation

Adversaries implant malicious code in open source software (OSS) libraries to have it widely distributed, as OSS is commonly downloaded by developers and other users to incorporate into software development projects. The adversary can have a particular system in mind to target, or the implantation can be the first stage of follow-on attacks on many systems.

CAPEC-657: Malicious Automated Software Update via Spoofing

An attackers uses identify or content spoofing to trick a client into performing an automated software update from a malicious source. A malicious automated software update that leverages spoofing can include content or identity spoofing as well as protocol spoofing. Content or identity spoofing attacks can trigger updates in software by embedding scripted mechanisms within a malicious web page, which masquerades as a legitimate update source. Scripting mechanisms communicate with software components and trigger updates from locations specified by the attackers' server. The result is the client believing there is a legitimate software update available but instead downloading a malicious update from the attacker.

CAPEC-662: Adversary in the Browser (AiTB)

An adversary exploits security vulnerabilities or inherent functionalities of a web browser, in order to manipulate traffic between two endpoints.

CAPEC-691: Spoof Open-Source Software Metadata

An adversary spoofs open-source software metadata in an attempt to masquerade malicious software as popular, maintained, and trusted.

CAPEC-692: Spoof Version Control System Commit Metadata

An adversary spoofs metadata pertaining to a Version Control System (VCS) (e.g., Git) repository's commits to deceive users into believing that the maliciously provided software is frequently maintained and originates from a trusted source.

CAPEC-693: StarJacking

An adversary spoofs software popularity metadata to deceive users into believing that a maliciously provided package is widely used and originates from a trusted source.

CAPEC-695: Repo Jacking

An adversary takes advantage of the redirect property of directly linked Version Control System (VCS) repositories to trick users into incorporating malicious code into their applications.

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