TI-2021-17141 Aliases CVE-2021-39911 GHSA-xfxc-c47w-9432

An improper access control flaw in all versions of GitLab CE/EE starting from 13.9 before…

LOW 21Published 2021-11-04 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An improper access control flaw in all versions of GitLab CE/EE starting from 13.9 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 exposes private email address of Issue and Merge Requests assignee to Webhook data consumers

Why it matters now

EPSS 0.00787 56th percentileScored 2026-11-07

Fix Fixed GitLab (GitLab): 14.2.6, 14.3.4, 14.4.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
GitLab	GitLab	13.9 to before 14.2.6; 14.3 to before 14.3.4; 14.4 to before 14.4.1	14.2.6, 14.3.4, 14.4.1	Patch available	CNA

GitLab VendorGitLab Affected 13.9 to before 14.2.6; 14.3 to before 14.3.4; 14.4 to before 14.4.1 Fixed in 14.2.6, 14.3.4, 14.4.1 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:gitlab:gitlab:::::community:::*	13.9.0 to before 14.2.6	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	13.9.0 to before 14.2.6	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::community:::*	14.3.0 to before 14.3.4	Vulnerable	GitLab
cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	14.3.0 to before 14.3.4	Vulnerable	GitLab

cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 13.9.0 to before 14.2.6 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 13.9.0 to before 14.2.6 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 14.3.0 to before 14.3.4 Vulnerable ·GitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 14.3.0 to before 14.3.4 Vulnerable ·GitLab

Remediation

Fix · CNA GitLab (GitLab) Fixed in 14.2.6, 14.3.4, 14.4.1

Timeline

2026-10-02 Threatist record created from CVE-2021-39911
2026-10-03 Alias added: GHSA-xfxc-c47w-9432

References

Advisory 1

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39911.json

Other 1

https://gitlab.com/gitlab-org/gitlab/-/issues/297470

TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9

See all 1506 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences