GitLab: Mehrere Schwachstellen
WID-SEC-2026-0449 · first 12.02.2021 · updated 19.02.2026 · CVSS 9,8
What it is about
GitLab ist eine Webanwendung zur Versionsverwaltung für Softwareprojekte auf Basis von git. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial of Service zu verursachen, Informationen offenzulegen und SSRF Angriffe durchzuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
- einen Denial of Service zu verursachen
- Informationen offenzulegen
- SSRF Angriffe durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source GitLab <13.8.4
- Open Source GitLab <13.7.7
- Open Source GitLab <13.6.7
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source GitLab 13.8.4
- Open Source GitLab 13.7.7
- Open Source GitLab 13.6.7
Is the vulnerability already being exploited?
- CVE-2021-22175: exploited in the wild according to CISA, in the catalogue since 18.02.2026.
Information and sources
- Original BSI advisory (WID)
- GitLab Security Release: 13.8.4, 13.7.7 and 13.6.7 vom 2021-02-11 about.gitlab.com
- CISA Known Exploited Vulnerabilities Catalog vom 2026-02-18 www.cisa.gov
CVE: CVE-2021-22175, CVE-2021-22189
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.