CVE-2022-4255

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-27 · updated 2026-06-17

Description

An info leak issue was identified in all versions of GitLab EE from 13.7 prior to 15.4.6, 15.5 prior to 15.5.5, and 15.6 prior to 15.6.1 which exposes user email id through webhook payload.

Affected products

GitLab: from 13.7.0 before 15.4.6; from 15.5.0 before 15.5.5; 15.6.0 — fixed in 15.4.6, 15.5.5

How to fix

Upgrade to a fixed version: GitLab 15.4.6, 15.5.5. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4255.json
https://gitlab.com/gitlab-org/gitlab/-/issues/373819
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4255.json
https://gitlab.com/gitlab-org/gitlab/-/issues/373819

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