GitLab up to 19.0.4/19.1.2/19.2.0 Merge Request Discussions allocation of resources

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k1.69+

Summaryinfo

A vulnerability labeled as problematic has been found in GitLab up to 19.0.4/19.1.2/19.2.0. This affects an unknown part of the component Merge Request Discussions. Such manipulation leads to allocation of resources. This vulnerability is traded as CVE-2026-15975. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in GitLab up to 19.0.4/19.1.2/19.2.0. It has been rated as problematic. Affected by this issue is an unknown part of the component Merge Request Discussions. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to cause a denial of service due to insufficient resource throttling when processing merge request discussions.

The advisory is available at gitlab.com. This vulnerability is handled as CVE-2026-15975 since 07/16/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 19.0.5, 19.1.3 or 19.2.1 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GitLab 19.0.5/19.1.3/19.2.1

Timelineinfo

07/16/2026 CVE reserved
07/29/2026 +13 days Advisory disclosed
07/29/2026 +0 days VulDB entry created
07/29/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gitlab.com
Status: Confirmed

CVE: CVE-2026-15975 (🔒)
GCVE (CVE): GCVE-0-2026-15975
GCVE (VulDB): GCVE-100-384254

Entryinfo

Created: 07/29/2026 21:40
Changes: 07/29/2026 21:40 (54)
Complete: 🔍
Cache ID: 216::103

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Discussion

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