Common Weakness Enumeration
CWE-93
AllowedImproper Neutralization of CRLF Sequences ('CRLF Injection')
Abstraction: Base · Status: Draft
The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.
233 vulnerabilities reference this CWE, most recent first.
CVE-2026-116235 (GCVE-0-2026-116235)
Vulnerability from cvelistv5 – Published: 2026-10-26 08:45 – Updated: 2026-10-26 16:33
VLAI
EPSS
VEX
Title
Oray Pugongying X5 Pro L2TP Authentication crlf injection
Summary
A flaw has been found in Oray Pugongying X5 Pro 7.6.1. Affected by this vulnerability is an unknown functionality of the component L2TP Authentication. This manipulation of the argument Username causes crlf injection. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.1 (Critical)
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 16:06 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426284 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426284/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116235 | third-party-advisory |
| https://vuldb.com/submit/1005083 | third-party-advisory |
| https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oray | Pugongying X5 Pro |
Affected:
7.6.1
cpe:2.3:a:oray:pugongying_x5_pro:*:*:*:*:*:*:*:* |
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CVE-2026-116234 (GCVE-0-2026-116234)
Vulnerability from cvelistv5 – Published: 2026-10-26 08:30 – Updated: 2026-11-02 17:17
VLAI
EPSS
VEX
Title
Oray Pugongying X5 Pro IPsec Policy ipsec.conf crlf injection
Summary
A vulnerability was detected in Oray Pugongying X5 Pro 7.6.1. Affected is an unknown function of the file /etc/ipsec.conf of the component IPsec Policy Handler. The manipulation of the argument secproto results in crlf injection. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.1 (Critical)
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 17:17 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426283 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426283/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116234 | third-party-advisory |
| https://vuldb.com/submit/1005082 | third-party-advisory |
| https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oray | Pugongying X5 Pro |
Affected:
7.6.1
cpe:2.3:a:oray:pugongying_x5_pro:*:*:*:*:*:*:*:* |
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CVE-2026-116233 (GCVE-0-2026-116233)
Vulnerability from cvelistv5 – Published: 2026-10-26 08:15 – Updated: 2026-10-31 01:08
VLAI
EPSS
VEX
Title
Oray Pugongying X5 Pro Dnsmasq crlf injection
Summary
A security vulnerability has been detected in Oray Pugongying X5 Pro 7.6.1. This impacts an unknown function of the component Dnsmasq. The manipulation of the argument rent_time leads to crlf injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.1 (Critical)
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-31 01:08 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426282 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426282/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116233 | third-party-advisory |
| https://vuldb.com/submit/1005081 | third-party-advisory |
| https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oray | Pugongying X5 Pro |
Affected:
7.6.1
cpe:2.3:a:oray:pugongying_x5_pro:*:*:*:*:*:*:*:* |
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CVE-2026-116232 (GCVE-0-2026-116232)
Vulnerability from cvelistv5 – Published: 2026-10-26 08:00 – Updated: 2026-10-26 16:33
VLAI
EPSS
VEX
Title
Oray Pugongying X5 Pro SNMP snmp_set crlf injection
Summary
A weakness has been identified in Oray Pugongying X5 Pro 7.6.1. This affects the function snmp_set of the component SNMP Handler. Executing a manipulation of the argument info.community can lead to crlf injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.9 (Critical)
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 16:06 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426281 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426281/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116232 | third-party-advisory |
| https://vuldb.com/submit/1005079 | third-party-advisory |
| https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oray | Pugongying X5 Pro |
Affected:
7.6.1
cpe:2.3:a:oray:pugongying_x5_pro:*:*:*:*:*:*:*:* |
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CVE-2026-116231 (GCVE-0-2026-116231)
Vulnerability from cvelistv5 – Published: 2026-10-26 07:45 – Updated: 2026-11-02 17:16
VLAI
EPSS
VEX
Title
Oray Pugongying X5 Pro Ser2net crlf injection
Summary
A security flaw has been discovered in Oray Pugongying X5 Pro 7.6.1. The impacted element is an unknown function of the component Ser2net. Performing a manipulation of the argument regmsg results in crlf injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.9 (Critical)
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 17:15 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426280 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426280/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116231 | third-party-advisory |
| https://vuldb.com/submit/1005078 | third-party-advisory |
| https://app.notion.com/p/Oray-Pgyer-X5-Pro-Router… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oray | Pugongying X5 Pro |
Affected:
7.6.1
cpe:2.3:a:oray:pugongying_x5_pro:*:*:*:*:*:*:*:* |
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CVE-2026-115785 (GCVE-0-2026-115785)
Vulnerability from cvelistv5 – Published: 2026-10-23 13:50 – Updated: 2026-10-29 10:45
VLAI
EPSS
VEX
Title
Zimbra Collaboration Suite Data Source Test SMTP Command Injection via Unsanitized Email Address
Summary
An SMTP command injection vulnerability in the data-source testing functionality of Zimbra Collaboration Suite (ZCS) allows an ordinary authenticated user with account options enabled to inject CR/LF into the emailAddress inserted into an SMTP envelope command by a JSON SOAP request. After a successful preliminary POP3 or IMAP login, Zimbra sends the injected commands to the selected SMTP service. If that service accepts the pipelined transaction, the attacker can submit mail with attacker-selected recipients, headers and body content without victim interaction. The vulnerable command-construction path is present in ZCS 10.1.16 and 10.1.20.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-24 03:55 UTC
CWE
- CWE-93 - Improper neutralization of CRLF sequences ('CRLF injection')
Assigner
rapid7
CNA
References
2 references
| URL | Tags |
|---|---|
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | vendor-advisory |
| https://www.rapid7.com/blog/post/ve-breaking-zimb… | related |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zimbra | Zimbra Collaboration Suite |
Affected:
0 , ≤ 10.1.20
(semver)
|
Date Public
2026-10-23 13:47
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CVE-2026-114720 (GCVE-0-2026-114720)
Vulnerability from cvelistv5 – Published: 2026-10-22 01:32 – Updated: 2026-10-26 16:46
VLAI
EPSS
VEX
Summary
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in `_flag` parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 15:53 UTC
CWE
- CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Assigner
mitre
CNA
References
6 references
| URL | Tags |
|---|---|
| https://bugs.debian.org/1151279 | issue-trackingthird-party-advisory |
| https://github.com/roundcube/roundcubemail/commit… | patch |
| https://roundcube.net/news/2026/10/19/security-up… | vendor-advisoryrelease-notes |
| https://github.com/roundcube/roundcubemail/releas… | release-notespatch |
| https://github.com/roundcube/roundcubemail/releas… | release-notespatch |
| https://github.com/roundcube/roundcubemail/commit… | patch |
Impacted products
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CVE-2026-113715 (GCVE-0-2026-113715)
Vulnerability from cvelistv5 – Published: 2026-10-20 19:42 – Updated: 2026-10-23 02:01
VLAI
EPSS
VEX
Title
virtualenv: Venv configuration readback can reinterpret path boundaries
Summary
virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the stdlib venv creator reads generated pyvenv.cfg with str.splitlines() and merges parsed keys over virtualenv's selected configuration. An untrusted caller who influences the destination pathname can include a line-boundary character such as U+2028 to inject keys including home and include-system-site-packages, causing path data to change configuration structure before final output. Setting include-system-site-packages to true weakens environment isolation, while an altered home can change which standard-library files the interpreter loads if the attacker also controls that location. The builtin creator does not use this readback path. This issue is fixed in version 21.14.9.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 02:01 UTC
CWE
- CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/pypa/virtualenv/security/advis… | x_refsource_CONFIRM |
| https://github.com/pypa/virtualenv/pull/3426 | x_refsource_MISC |
| https://github.com/pypa/virtualenv/commit/b0008a5… | x_refsource_MISC |
| https://github.com/pypa/virtualenv/releases/tag/21.14.9 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pypa | virtualenv |
Affected:
< 21.14.9
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CVE-2026-113403 (GCVE-0-2026-113403)
Vulnerability from cvelistv5 – Published: 2026-10-20 07:04 – Updated: 2026-10-20 18:08
VLAI
EPSS
VEX
Title
ArmorX Global Technology｜ArmorX Spam - Command Injection
Summary
ArmorX Spam developed by ArmorX Global Technology has a Command Injection vulnerability. Authenticated remote attackers can inject crafted commands into a specific parameter, thereby uploading malicious code to the server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 15:17 UTC
CWE
- CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Assigner
twcert
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ArmorX Global Technology | ArmorX Spam |
Affected:
0 , < 8.15.2-3.282.133-1.90.061
(custom)
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CVE-2026-113386 (GCVE-0-2026-113386)
Vulnerability from cvelistv5 – Published: 2026-10-20 04:53 – Updated: 2026-10-22 21:17
VLAI
EPSS
VEX
Summary
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP command injection. A remote authenticated attacker can exploit this via CRLF sequences injected into the _uid parameter of the mail/headers and mail/viewsource actions to execute arbitrary IMAP commands.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-22 21:17 UTC
CWE
- CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Assigner
mitre
CNA
References
7 references
| URL | Tags |
|---|---|
| https://bugs.debian.org/1151279 | issue-trackingthird-party-advisory |
| https://github.com/roundcube/roundcubemail/commit… | patch |
| https://roundcube.net/news/2026/10/19/security-up… | vendor-advisoryrelease-notes |
| https://github.com/roundcube/roundcubemail/releas… | release-notespatch |
| https://github.com/roundcube/roundcubemail/releas… | release-notespatch |
| https://github.com/roundcube/roundcubemail/commit… | patch |
| https://github.com/roundcube/roundcubemail/commit… | patch |
Impacted products
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Mitigation
Implementation
Avoid using CRLF as a special sequence.
Mitigation
Implementation
Appropriately filter or quote CRLF sequences in user-controlled input.
CAPEC-15: Command Delimiters
An attack of this type exploits a programs' vulnerabilities that allows an attacker's commands to be concatenated onto a legitimate command with the intent of targeting other resources such as the file system or database. The system that uses a filter or denylist input validation, as opposed to allowlist validation is vulnerable to an attacker who predicts delimiters (or combinations of delimiters) not present in the filter or denylist. As with other injection attacks, the attacker uses the command delimiter payload as an entry point to tunnel through the application and activate additional attacks through SQL queries, shell commands, network scanning, and so on.
CAPEC-81: Web Server Logs Tampering
Web Logs Tampering attacks involve an attacker injecting, deleting or otherwise tampering with the contents of web logs typically for the purposes of masking other malicious behavior. Additionally, writing malicious data to log files may target jobs, filters, reports, and other agents that process the logs in an asynchronous attack pattern. This pattern of attack is similar to "Log Injection-Tampering-Forging" except that in this case, the attack is targeting the logs of the web server and not the application.