CVE-2026-5309
Multiple vulnerabilities have been discovered in GitLab. Some of them allow an attacker to cause a breach of data confidentiality, server-side request forgery (SSRF), and remote indirect code injection (XSS).
CSIRTS triage
- What
- Multiple vulnerabilities could lead to data confidentiality breaches and other issues.
- Who is affected
- Users of GitLab products.
- Urgency
- Remediation is necessary, but the severity is currently unknown.
- Action
- Users should monitor for updates and advisories.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
Advisory coverage (5)
- unknownNCSC-2026-0211 [1.00] [M/H] Vulnerabilities fixed in GitLab Community Edition and Enterprise Editionncsc-nl · 2026-06-25
- unknownGitLab Multiple Vulnerabilitieshkcert · 2026-06-25
- unknownMultiple vulnerabilities in GitLab (June 25, 2026)cert-fr-avis · 2026-06-25
- criticalGitLab Patch Release: 19.1.1, 19.0.3, 18.11.6gitlab · 2026-06-24
- criticalGitLab Patch Release: 19.1.1, 19.0.3, 18.11.6gitlab · 2026-06-24
External references
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