GitLab Community Edition/Enterprise Edition up to 18.4.4/18.5.2/18.6.0 Requests allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.4.4/18.5.2/18.6.0 and classified as problematic. This vulnerability affects unknown code of the component Requests Handler. The manipulation results in allocation of resources. This vulnerability is identified as CVE-2025-12571. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in GitLab Community Edition and Enterprise Edition up to 18.4.4/18.5.2/18.6.0. Affected is an unknown code of the component Requests Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on availability. CVE summarizes:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.

The weakness was released by a92847865 as 579168. The advisory is available at gitlab.com. This vulnerability is traded as CVE-2025-12571 since 10/31/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 298821 (GitLab 17.10 < 18.4.5 / 18.5 < 18.5.3 / 18.6 < 18.6.1 (CVE-2025-12571)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.4.5, 18.5.3 or 18.6.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (298821) and EUVD (EUVD-2025-199759). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitLab): 🔒

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 298821
Nessus Name: GitLab 17.10 < 18.4.5 / 18.5 < 18.5.3 / 18.6 < 18.6.1 (CVE-2025-12571)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.4.5/18.5.3/18.6.1

Timelineinfo

10/31/2025 CVE reserved
11/27/2025 +27 days Advisory disclosed
11/27/2025 +0 days VulDB entry created
02/15/2026 +80 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: 579168
Researcher: a92847865
Status: Confirmed

CVE: CVE-2025-12571 (🔒)
GCVE (CVE): GCVE-0-2025-12571
GCVE (VulDB): GCVE-100-333666
EUVD: 🔒

Entryinfo

Created: 11/27/2025 03:22
Updated: 02/15/2026 23:58
Changes: 11/27/2025 03:22 (66), 11/29/2025 02:19 (1), 02/15/2026 23:58 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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