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CVE-2026-5140— Authorization Bypass in TUBITAK BILGEM's Pardus Update

Quick assessment

Affected
TUBITAK BILGEM Software Technologies Research Institute Pardus Update
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pardus是土耳其TUBITAK BILGEM政府部门的一个Linux 发行版。 Pardus 0.6.4及之前版本至0.8.0之前版本存在注入漏洞，该漏洞源于CRLF序列中和不当，可能导致身份验证绕过。

CVSS 8.8 · High EPSS 0.58% · P46

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
TUBITAK BILGEM Software Technologies Research Institute Pardus Update 0.6.3< 0.6.4 affected
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I. Basic Information for CVE-2026-5140

Vulnerability Information
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Vulnerability Title
Authorization Bypass in TUBITAK BILGEM's Pardus Update
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Pardus 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pardus是土耳其TUBITAK BILGEM政府部门的一个Linux 发行版。 Pardus 0.6.4及之前版本至0.8.0之前版本存在注入漏洞，该漏洞源于CRLF序列中和不当，可能导致身份验证绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TUBITAK BILGEM Software Technologies Research Institute Pardus Update 0.6.3 ~ 0.6.4 -

II. Public POCs for CVE-2026-5140

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III. Intelligence Information for CVE-2026-5140

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Vendor Advisories for CVE-2026-5140 (2)

Same Patch Batch · TUBITAK BILGEM Software Technologies Research Institute · 2026-04-29 · 5 CVEs total

CVE-2026-5166 9.6 CRITICAL Path Traversal in TUBITAK BILGEM's Pardus Software Center
CVE-2026-5161 8.8 HIGH Improper Authentication in TUBITAK BILGEM's Pardus About
CVE-2026-5141 8.8 HIGH Improper Access Control in TUBITAK BILGEM's Pardus Software Center
CVE-2026-6849 8.8 HIGH OS Command Injection in TUBITAK BILGEM's Pardus OS My Computer

IV. Related Vulnerabilities

Same product: Pardus Update
Same vendor: TUBITAK BILGEM Software Technologies Research Institute
Same weakness: CWE-93

V. Comments for CVE-2026-5140

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