PT-2025-48179 · Gitlab · Gitlab Ce/Ee

Published 2025-11-26 · Updated 2025-12-09 · CVE-2025-12571

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 17.10 through 18.4.4 GitLab CE/EE versions 18.5 through 18.5.2 GitLab CE/EE versions 18.6 through 18.6.0

Description An unauthenticated user could trigger a Denial of Service condition by submitting specially crafted requests with malicious JSON payloads.

Recommendations Update GitLab CE/EE to version 18.4.5 or later. Update GitLab CE/EE to version 18.5.3 or later. Update GitLab CE/EE to version 18.6.1 or later.

Exploit

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2025-14907

BIT-GITLAB-2025-12571

CVE-2025-12571

Affected Products

Gitlab Ce/Ee

References · 13

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12571.json · Exploit
• 🔥 https://hackerone.com/reports/3362239 · Exploit
• https://osv.dev/vulnerability/BIT-gitlab-2025-12571 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14907 · Security Note
• https://about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-12571 · Security Note
• https://osv.dev/vulnerability/CVE-2025-12571 · Vendor Advisory
• https://i.redd.it/agqbwn80az3g1.jpeg · Reddit Post
• https://reddit.com/r/Action1/comments/1piftm3/december_2025_patch_tuesday_overview · Reddit Post
• https://twitter.com/CVEnew/status/1993776320724259053 · Twitter Post
• https://t.me/CVEtracker/38317 · Telegram Post
• https://reddit.com/r/Action1/comments/1pifro1/december_2025_patch_tuesday_overview · Reddit Post
• https://gitlab.com/gitlab-org/gitlab/-/issues/579168 · Note