CVE-2026-5140
Deferred Deferred - Pending Action
CRLF Injection in Pardus Allows Authentication Bypass

Publication date: 2026-04-29

Last updated on: 2026-06-06

Assigner: Computer Emergency Response Team of the Republic of Turkey

Description
Improper neutralization of CRLF sequences ('CRLF injection') vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Update allows Authentication Bypass. This issue affects Pardus Update: from 0.6.3 before 0.6.4.
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Meta Information
Published
2026-04-29
Last Modified
2026-06-06
Generated
2026-06-16
AI Q&A
2026-04-30
EPSS Evaluated
2026-06-15
NVD
CVE-2026-5140
EUVD
EUVD-2026-26228
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
tubitak_bilgem pardus From 0.6.4 (inc) to 0.8.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-93 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.
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Executive Summary

This vulnerability is an improper neutralization of CRLF sequences, also known as CRLF injection, in the Pardus software developed by TUBITAK BILGEM Software Technologies Research Institute. It allows an attacker to bypass authentication mechanisms.

Impact Analysis

The vulnerability can lead to an authentication bypass, which means an attacker could potentially gain unauthorized access to the system. This can result in a high impact on confidentiality, integrity, and availability of the affected system.

Executive Summary

This vulnerability is an improper neutralization of CRLF sequences, also known as CRLF injection, in the Pardus software developed by TUBITAK BILGEM Software Technologies Research Institute. It allows an attacker to bypass authentication mechanisms.

Impact Analysis

The vulnerability can have a severe impact as it allows an attacker to bypass authentication, potentially gaining unauthorized access to the system. The CVSS score of 9.6 indicates high severity with impacts on confidentiality, integrity, and availability.

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