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CVE-2026-92883

8.7 · HIGH

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an auth…

Published Oct 13, 2026gitlabCWE-79EPSS 0.48%

Overview

CVE-2026-92883 is a high-severity vulnerability affecting gitlab gitlab. It was published on October 13, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.

Remediation

Check the references section for vendor advisories and patches from gitlab. Update gitlab to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
gitlabgitlab>= 19.1.0, < 19.2.8Affected

References

Refdocs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/Refgitlab.com/gitlab-org/gitlab/-/work_items/629523Refhackerone.com/reports/3936831

How CyberStrike helps

Frequently asked questions

What is CVE-2026-92883?

CVE-2026-92883 is a high-severity vulnerability affecting gitlab gitlab. It was published on October 13, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

How severe is CVE-2026-92883?

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-92883?

Check the references section for vendor advisories and patches from gitlab. Update gitlab to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-92883?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-92883 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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