[NEW] [high] GitLab: Multiple vulnerabilities allow file manipulation

highpublic exploitCVE-2026-19478 CVE-2026-19650

A remote, anonymous attacker can exploit multiple vulnerabilities in GitLab to manipulate files.

CSIRTS triage

vendor: GitLab product: GitLab Path traversal

What: GitLab contains multiple vulnerabilities allowing file manipulation via path traversal or similar mechanisms.
Who is affected: Remote, anonymous attackers against GitLab deployments.
Urgency: High; file manipulation on version control systems poses significant risk to code integrity and confidentiality.
Action: Update GitLab to versions patching CVE-2026-19478 and CVE-2026-19650.

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: 2026-08-18
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-2026-2882

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-2026-194780.72% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-196500.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-19478	coverage & exploitation status	NVD · CVE.org
CVE-2026-19650	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

unknownGitLab Multiple Vulnerabilitieshkcert
unknownNCSC-2026-0303 [1.00] [M/H] Vulnerabilities Fixed in GitLab by GitLab Inc.ncsc-nl
unknownMultiple vulnerabilities in GitLab (August 18, 2026)cert-fr-avis
highCVE-2026-19650: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.1…nvd
criticalCVE-2026-19478: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.1…nvd
criticalGitLab Critical Patch Release: 19.2.4, 19.1.6, 19.0.8, 18.11.11gitlab
criticalGitLab Critical Patch Release: 19.2.4, 19.1.6, 19.0.8, 18.11.11gitlab

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 Multiple Vulnerabilitieshkcert · 2026-08-19
criticalGitLab security advisory (AV26-827)cccs · 2026-08-18
unknownNCSC-2026-0303 [1.00] [M/H] Vulnerabilities Fixed in GitLab by GitLab Inc.ncsc-nl · 2026-08-18
unknownMultiple vulnerabilities in GitLab (August 18, 2026)cert-fr-avis · 2026-08-18
highCVE-2026-19650: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.1…nvd · 2026-08-17
criticalCVE-2026-19478: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.1…nvd · 2026-08-17