CVE-2026-5140 PUBLISHED

Authorization Bypass in TUBITAK BILGEM's Pardus Update

Assigner: TR-CERT
Reserved: 30.03.2026 Published: 29.04.2026 Updated: 29.04.2026

Improper neutralization of CRLF sequences ('CRLF injection') vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus allows Authentication Bypass.

This issue affects Pardus: from <=0.6.4 before 0.8.0.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	TUBITAK BILGEM Software Technologies Research Institute
Product	Pardus Update
Versions	Default: unaffected affected from <=0.6.4 to 0.8.0 (excl.)

Credits

Çağrı ESER finder

References

https://www.usom.gov.tr/bildirim/tr-26-0131

Problem Types

CWE-93 Improper neutralization of CRLF sequences ('CRLF injection') CWE

Impacts

CAPEC-115 Authentication Bypass