CVE-2025-11990 | BDVDB-2026-302145 Detail

GitLabGitLab

Description#

GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to gain CSRF tokens by exploiting improper input validation in repository references combined with redirect handling weaknesses.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-177 Improper Handling of URL Encoding (Hex Encoding)

References#

Exploit#

https://hackerone.com/reports/3257843

History#

Version 12025-11-15Record published in the CVE List.
Version 22025-11-17Most recent update recorded in the CVE List.

Published

Published: 2025-11-15
Last modified: 2025-11-17

Vendor information

Vendor: GitLab
Product: GitLab

All GitLab vulnerabilities

Score

3.1 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 25.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 18.4 and < 18.4.4
Fixed
18.4.4
Vulnerable
>= 18.5 and < 18.5.2
Fixed
18.5.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

3.1 Low

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).