CVE-2022-3870

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-12 · updated 2026-06-17
Weakness: CWE-200

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.0 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. GitLab allows unauthenticated users to download user avatars using the victim's user ID, on private instances that restrict public level visibility.

Affected products

GitLab: from 10.0.0 before 15.5.7; from 15.6.0 before 15.6.4; from 15.7.0 before 15.7.2 — fixed in 15.5.7, 15.6.4, 15.7.2

How to fix

Upgrade to a fixed version: GitLab 15.5.7, 15.6.4, 15.7.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3870.json
https://gitlab.com/gitlab-org/gitlab/-/issues/381647
https://hackerone.com/reports/1753423
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3870.json
https://gitlab.com/gitlab-org/gitlab/-/issues/381647
https://hackerone.com/reports/1753423
https://gitlab.com/gitlab-org/gitlab/-/issues/381647

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