CVE-2022-3411 — A lack of length validation in GitLab CE/EE affecting all versions from 12

A lack of length validation in GitLab CE/EE affecting all versions from 12.4 before 15.6.7, 15.7 before 15.7.6, and 15.8 before 15.8.1 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.

01What is this vulnerability?

A lack of length validation in GitLab CE/EE affecting all versions from 12.4 before 15.6.7, 15.7 before 15.7.6, and 15.8 before 15.8.1 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.

02Affected products

Vendor	Product	Versions
GitLab	GitLab	>=12.4, <15.6.7, >=15.7, <15.7.6, >=15.8, <15.8.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-02-13T00:00:00.000Z
• Last modified: 2025-03-21T18:39:31.969Z

09References

• gitlab.com — https://gitlab.com/gitlab-org/gitlab/-/issues/376247
• hackerone.com — https://hackerone.com/reports/1685995
• gitlab.com — https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3411.json