GitLab Community Edition/Enterprise Edition up to 18.4.5/18.5.3/18.6.1 Private Project information exposure

HistoryDiffrelatejsonxmlCTI

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.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.4.5/18.5.3/18.6.1. It has been classified as problematic. This impacts an unknown function of the component Private Project Handler. The manipulation leads to information exposure. This vulnerability is referenced as CVE-2025-13978. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.4.5/18.5.3/18.6.1 and classified as problematic. This issue affects an unknown code block of the component Private Project Handler. The manipulation with an unknown input leads to a information exposure vulnerability. Using CWE to declare the problem leads to CWE-209. The product generates an error message that includes sensitive information about its environment, users, or associated data. Impacted is confidentiality. The summary by CVE is:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.

The weakness was published with Rohit Shambhuni as 566960. It is possible to read the advisory at gitlab.com. The identification of this vulnerability is CVE-2025-13978 since 12/03/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 298874 (GitLab 17.5 < 18.4.6 / 18.5 < 18.5.4 / 18.6 < 18.6.2 (CVE-2025-13978)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.4.6, 18.5.4 or 18.6.2 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the databases at Tenable (298874), EUVD (EUVD-2025-202660) and CERT Bund (WID-SEC-2025-2822). 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

Version

License

open-source

Website

Vendor: https://gitlab.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
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: Information exposure
CWE: CWE-209 / CWE-200 / CWE-284
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: 298874
Nessus Name: GitLab 17.5 < 18.4.6 / 18.5 < 18.5.4 / 18.6 < 18.6.2 (CVE-2025-13978)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.4.6/18.5.4/18.6.2

Timelineinfo

12/03/2025 CVE reserved
12/11/2025 +8 days Advisory disclosed
12/11/2025 +0 days VulDB entry created
02/13/2026 +64 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: 566960
Organization: Rohit Shambhuni
Status: Confirmed

CVE: CVE-2025-13978 (🔒)
GCVE (CVE): GCVE-0-2025-13978
GCVE (VulDB): GCVE-100-335795
EUVD: 🔒
CERT Bund: WID-SEC-2025-2822 - GitLab: Mehrere Schwachstellen

Entryinfo

Created: 12/11/2025 07:19
Updated: 02/13/2026 02:19
Changes: 12/11/2025 07:19 (67), 12/11/2025 09:53 (1), 12/11/2025 14:57 (7), 02/13/2026 02:19 (2)
Complete: 🔍
Cache ID: 216::103

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