CVE-2026-5140: CWE-93 Improper neutralization of CRLF sequences ('CRLF injection') in TUBITAK BILGEM Software Technologies Research Institute Pardus
CVE-2026-5140 is a critical vulnerability in the Pardus operating system developed by TUBITAK BILGEM Software Technologies Research Institute. It involves improper neutralization of CRLF sequences (CRLF injection) that allows an attacker to bypass authentication. The vulnerability affects Pardus versions up to 0. 6. 4 before 0. 8. 0. The CVSS score is 9. 6, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-5140) is classified as CWE-93, involving improper neutralization of CRLF sequences in Pardus versions <=0.6.4 before 0.8.0. The flaw enables authentication bypass, which can lead to complete compromise of confidentiality, integrity, and availability of the affected system. The CVSS 3.1 vector indicates the vulnerability is exploitable remotely over the network with low complexity and no privileges, but requires user interaction. The vendor has not yet provided an official fix or remediation level, and no patch links are available. The vulnerability is not related to a cloud service, and no known exploits have been reported.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to bypass authentication mechanisms in Pardus, potentially leading to full system compromise including unauthorized access and control. The impact affects confidentiality, integrity, and availability of the system. Given the critical CVSS score of 9.6, this represents a severe security risk to affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting network access to affected Pardus versions and monitor for suspicious activity. No vendor-provided mitigations or temporary fixes are currently available.
CVE-2026-5140: CWE-93 Improper neutralization of CRLF sequences ('CRLF injection') in TUBITAK BILGEM Software Technologies Research Institute Pardus
Description
CVE-2026-5140 is a critical vulnerability in the Pardus operating system developed by TUBITAK BILGEM Software Technologies Research Institute. It involves improper neutralization of CRLF sequences (CRLF injection) that allows an attacker to bypass authentication. The vulnerability affects Pardus versions up to 0. 6. 4 before 0. 8. 0. The CVSS score is 9. 6, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-5140) is classified as CWE-93, involving improper neutralization of CRLF sequences in Pardus versions <=0.6.4 before 0.8.0. The flaw enables authentication bypass, which can lead to complete compromise of confidentiality, integrity, and availability of the affected system. The CVSS 3.1 vector indicates the vulnerability is exploitable remotely over the network with low complexity and no privileges, but requires user interaction. The vendor has not yet provided an official fix or remediation level, and no patch links are available. The vulnerability is not related to a cloud service, and no known exploits have been reported.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to bypass authentication mechanisms in Pardus, potentially leading to full system compromise including unauthorized access and control. The impact affects confidentiality, integrity, and availability of the system. Given the critical CVSS score of 9.6, this represents a severe security risk to affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting network access to affected Pardus versions and monitor for suspicious activity. No vendor-provided mitigations or temporary fixes are currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TR-CERT
- Date Reserved
- 2026-03-30T11:35:18.026Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f20cdfcbff5d8610181a93
Added to database: 4/29/2026, 1:51:27 PM
Last enriched: 4/29/2026, 2:06:23 PM
Last updated: 4/29/2026, 3:05:10 PM
Views: 4
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