Multiple Vulnerabilities in GitLab (July 30, 2026)

unknownCVE-2026-14351 CVE-2026-3093 CVE-2026-16553 CVE-2026-6336 CVE-2026-15975 CVE-2025-14562

Multiple vulnerabilities have been discovered in GitLab. Some of them allow an attacker to cause a remote denial of service, a breach of data confidentiality, and remote indirect code injection (XSS).

CSIRTS triage

vendor: GitLab product: GitLab Denial of service Information disclosure Cross-site scripting

What: Multiple vulnerabilities allow for remote denial of service, data confidentiality breaches, and remote indirect code injection.
Who is affected: Users of GitLab are affected.
Urgency: Remediation is necessary, but the vulnerabilities are not actively exploited.
Action: Users should apply updates as they become available.

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

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Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-07-30
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0946/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-143510.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
Low exploitation riskCVE-2026-30930.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all scored CVEs.
Low exploitation riskCVE-2026-165530.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
Low exploitation riskCVE-2026-63360.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
Low exploitation riskCVE-2026-159750.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all scored CVEs.
Low exploitation riskCVE-2025-145620.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
Low exploitation riskCVE-2026-158310.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all scored CVEs.
Low exploitation riskCVE-2026-62670.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
Low exploitation riskCVE-2026-131130.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.
Low exploitation riskCVE-2026-143410.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-14351	coverage & exploitation status	NVD · CVE.org
CVE-2026-3093	coverage & exploitation status	NVD · CVE.org
CVE-2026-16553	coverage & exploitation status	NVD · CVE.org
CVE-2026-6336	coverage & exploitation status	NVD · CVE.org
CVE-2026-15975	coverage & exploitation status	NVD · CVE.org
CVE-2025-14562	coverage & exploitation status	NVD · CVE.org
CVE-2026-15831	coverage & exploitation status	NVD · CVE.org
CVE-2026-6267	coverage & exploitation status	NVD · CVE.org
CVE-2026-13113	coverage & exploitation status	NVD · CVE.org
CVE-2026-14341	coverage & exploitation status	NVD · CVE.org
CVE-2026-12436	coverage & exploitation status	NVD · CVE.org
CVE-2026-4672	coverage & exploitation status	NVD · CVE.org
CVE-2026-15077	coverage & exploitation status	NVD · 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.

unknownGitLab security advisory (AV26-758)cccs · 2026-07-30
high[NEW] [high] GitLab: Multiple vulnerabilitiescert-bund · 2026-07-30
unknownNCSC-2026-0270 [1.00] [M/M] Vulnerabilities fixed in GitLab by GitLab Inc.ncsc-nl · 2026-07-30
unknownGitLab Multiple Vulnerabilitieshkcert · 2026-07-30
mediumCVE-2026-6336: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.6 before 19.0.5, …nvd · 2026-07-29
highCVE-2026-6267: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.0.5…nvd · 2026-07-29