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[NEW] [high] GitLab: Multiple vulnerabilities

highCVE-2025-10903CVE-2026-15387CVE-2026-18252CVE-2026-3035CVE-2026-4398CVE-2026-7487
An attacker can exploit multiple vulnerabilities in GitLab to execute arbitrary code, perform a denial of service attack, manipulate data, and bypass security measures.

CSIRTS triage

What
Multiple vulnerabilities allow code execution, denial of service, data manipulation, and security bypass.
Who is affected
GitLab deployments running vulnerable versions identified by CVEs.
Urgency
High severity with code execution and denial of service capabilities; patch urgently.
Action
Apply GitLab security updates addressing CVE-2025-10903, CVE-2026-15387, CVE-2026-18252, CVE-2026-3035, CVE-2026-4398, CVE-2026-7487, and CVE-2026-77801.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-08-26
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3029

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-10903coverage & exploitation statusNVD · CVE.org
CVE-2026-15387coverage & exploitation statusNVD · CVE.org
CVE-2026-18252coverage & exploitation statusNVD · CVE.org
CVE-2026-3035coverage & exploitation statusNVD · CVE.org
CVE-2026-4398coverage & exploitation statusNVD · CVE.org
CVE-2026-7487coverage & exploitation statusNVD · CVE.org
CVE-2026-77801coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for GitLab

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories