PT-2026-24708 · Gitlab · Gitlab Ce/Ee

Published 2026-03-11 · Updated 2026-03-15 · CVE-2025-13690

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 16.11 through 18.7.5 GitLab CE/EE versions 18.8 through 18.8.5 GitLab CE/EE versions 18.9 through 18.9.1

Description An authenticated user could potentially cause a denial of service condition. This is due to improper input validation on custom header names within webhooks under specific circumstances.

Recommendations GitLab versions 16.11 through 18.7.5 should be updated to version 18.7.6 or later. GitLab versions 18.8 through 18.8.5 should be updated to version 18.8.6 or later. GitLab versions 18.9 through 18.9.1 should be updated to version 18.9.2 or later.

Exploit

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2026-03483

BIT-GITLAB-2025-13690

CVE-2025-13690

Affected Products

Gitlab Ce/Ee

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13690.json · Exploit
• 🔥 https://hackerone.com/reports/3415683 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-13690 · Security Note
• https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-13690 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-13690 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-13690 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-13690 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2025-13690 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03483 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-13690 · Note
• https://twitter.com/CVEnew/status/2032998314128318741 · Twitter Post
• https://gitlab.com/gitlab-org/gitlab/-/work_items/582096 · Note
• https://t.me/cveNotify/155387 · Telegram Post
• https://twitter.com/OrizonCyber/status/2031769179502612872 · Twitter Post