Allocation of Resources Without Limits or Throttling in GitLab

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Summary

CVECVE-2025-0186
StatePUBLISHED
AssignerGitLab
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-22 17:16:32 UTC
Updated2026-04-23 20:51:15 UTC
DescriptionGitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed an authenticated user to cause denial of service under certain conditions by exhausting server resources by making crafted requests to a discussions endpoint.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

Problem Types: CWE-770 | CWE-770 CWE-770: Allocation of Resources Without Limits or Throttling

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gitlab Gitlab All All All All
Application Gitlab Gitlab All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GitLab GitLab affected 10.6 18.9.6 semver Not specified
CNA GitLab GitLab affected 18.10 18.10.4 semver Not specified
CNA GitLab GitLab affected 18.11 18.11.1 semver Not specified

References

ReferenceSourceLinkTags
hackerone.com/reports/2915694 [email protected] hackerone.com Permissions Required
gitlab.com/gitlab-org/gitlab/-/work_items/511312 [email protected] gitlab.com Broken Link
about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released [email protected] about.gitlab.com Release Notes, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Thanks [pwnie](https://hackerone.com/pwnie) for reporting this vulnerability through our HackerOne bug bounty program (en)

Additional Advisory Data

Solutions

CNA: Upgrade to versions 18.9.6, 18.10.4, 18.11.1 or above.

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