PT-2026-31538 · Gitlab · Gitlab Ce/Ee

Simon Tomlinson · Published 2026-04-08 · Updated 2026-04-17 · CVE-2026-1092

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 12.10 through 18.8.8, 18.9 through 18.9.4, and 18.10 through 18.10.2

Description A flaw exists in GitLab CE/EE that allows an unauthenticated user to cause a denial of service. This is due to improper input validation of JSON payloads.

Recommendations Update to GitLab CE/EE version 18.8.9 or later. Update to GitLab CE/EE version 18.9.5 or later. Update to GitLab CE/EE version 18.10.3 or later.

Exploit

Fix

Weakness Enumeration

CWE-1284

Related Identifiers

BDU:2026-04866

BIT-GITLAB-2026-1092

CVE-2026-1092

Affected Products

Gitlab Ce/Ee

References · 12

• 🔥 https://hackerone.com/reports/3487030 · Exploit
• https://cve.org/CVERecord?id=CVE-2026-1092 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2026-1092 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-1092 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-1092 · Vendor Advisory
• https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04866 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-1092 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/586479 · Note
• https://twitter.com/Netlas_io/status/2042865941747265662 · Twitter Post
• https://twitter.com/CVEnew/status/2042010544597512493 · Twitter Post
• https://twitter.com/infoflowcloud/status/2042012493254463692 · Twitter Post