VDB-332579 · CVE-2025-11990 · Patch 577850

GitLab Enterprise Edition up to 18.4.3/18.5.1 url encoding

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in GitLab Enterprise Edition up to 18.4.3/18.5.1. Impacted is an unknown function. The manipulation leads to url encoding. This vulnerability is traded as CVE-2025-11990. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GitLab Enterprise Edition up to 18.4.3/18.5.1. This issue affects some unknown functionality. The manipulation with an unknown input leads to a url encoding vulnerability. Using CWE to declare the problem leads to CWE-177. The product does not properly handle when all or part of an input has been URL encoded. Impacted is confidentiality. The summary by CVE is:

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.

The weakness was shared by swiftee as 577850. It is possible to read the advisory at about.gitlab.com. The identification of this vulnerability is CVE-2025-11990 since 10/20/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 298826 (GitLab 18.4 < 18.4.4 / 18.5 < 18.5.2 (CVE-2025-11990)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.4.4 or 18.5.2 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the databases at Tenable (298826), EUVD (EUVD-2025-197696) and CERT Bund (WID-SEC-2025-2587). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Open Source GitLab

Productinfo

Type

Bug Tracking Software

Vendor

GitLab

Name

Enterprise Edition

Version

License

commercial

Website

Vendor: https://gitlab.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 3.5
NVD Vector: 🔒

CNA Base Score: 3.1
CNA Vector (GitLab): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Url encoding
CWE: CWE-177 / CWE-172
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 298826
Nessus Name: GitLab 18.4 < 18.4.4 / 18.5 < 18.5.2 (CVE-2025-11990)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Enterprise Edition 18.4.4/18.5.2

Timelineinfo

10/20/2025 CVE reserved
11/15/2025 +26 days Advisory disclosed
11/15/2025 +0 days VulDB entry created
02/15/2026 +92 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: 577850
Researcher: swiftee
Status: Confirmed

CVE: CVE-2025-11990 (🔒)
GCVE (CVE): GCVE-0-2025-11990
GCVE (VulDB): GCVE-100-332579
EUVD: 🔒
CERT Bund: WID-SEC-2025-2587 - GitLab: Mehrere Schwachstellen

Entryinfo

Created: 11/15/2025 14:44
Updated: 02/15/2026 23:58
Changes: 11/15/2025 14:44 (66), 11/15/2025 19:02 (1), 11/16/2025 19:01 (7), 11/20/2025 07:19 (11), 02/15/2026 23:58 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.