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CVE-2025-12653: Authentication Bypass by Spoofing

🗓️ 26 Nov 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 3 Views

Unauthenticated authentication bypass in GitLab CE/EE <18.4.5, 18.5.3, 18.6.1 via header spoofing.

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Refs
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30 Dec 202500:00
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cgr
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CVE-2025-12653 vulnerabilities
28 Jan 202619:17
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CVE-2025-12653
26 Nov 202523:31
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26 Nov 202500:00
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cve
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CVE-2025-12653
26 Nov 202519:46
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cvelist
Cvelist
CVE-2025-12653 Authentication Bypass by Spoofing in GitLab
26 Nov 202519:46
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debiancve
Debian CVE
CVE-2025-12653
26 Nov 202519:46
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euvd
EUVD
EUVD-2025-199760
26 Nov 202521:31
–euvd
nessus
Tenable Nessus
FreeBSD : Gitlab -- vulnerabilities (4530fc9f-cb47-11f0-85d8-2cf05da270f3)
3 Dec 202500:00
–nessus
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18 Oct 2026 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.16.5
EPSS0.00289
SSVC
3