CVE-2021-22175

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

53% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-25)

CISA KEV

listed 2026-02-18, due 2026-03-11

CWE

CWE-918

Published

2021-06-11

Modified

2026-10-01

Record from

the NVD, synced 2026-10-19

Affected

• gitlab:gitlab

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/294178
• https://hackerone.com/reports/1059596
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22175.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/294178

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