CVE-2026-4868

Name: CVE-2026-4868
Creator: NVD / NIST
Published: 2026-05-27T19:16:24.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2026-4868 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners.

Metrics

CVSS 3.1

8.2/10

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

EPSS Probability

0.34%

26.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 18.8.0, < 18.10.7
Gitlab	Gitlab	>= 18.11.0, < 18.11.4
Gitlab	Gitlab	19.0.0

References

https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/Release Notes, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/594809Broken Link
https://hackerone.com/reports/3619872Permissions Required

Timeline

Published: May 27, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4868?

How severe is CVE-2026-4868?

CVE-2026-4868 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4868?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4868?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST