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CVE-2025-12576

Allocation of Resources Without Limits or Throttling in GitLab

MEDIUM
6.5
CVSS Score
Published: March 11, 2026 at 04:06 PM UTC
Updated: June 17, 2026 at 08:32 AM UTC
1 product affected across 1 vendorGitLab

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that under certain conditions could have allowed an authenticated user to cause a denial of service due to improper handling of webhook response data.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab· GitLabmaven
95%
18.8 ≤ v < 18.8.618.8.0 ≤ v < 18.8.618.9 ≤ v < 18.9.218.9.0 ≤ v < 18.9.29.3 ≤ v < 18.7.69.3.0 ≤ v < 18.7.618.818.99.3
Affected range stops below 18.7.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.8.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.9.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Technical DescriptionExploitPermissions Required
Source: cverecord
https://hackerone.com/reports/3395198
Broken Link
Source: cverecord
https://gitlab.com/gitlab-org/gitlab/-/work_items/579170
Release NotesVendor Advisory
Source: cverecord
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMGitLab
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-770

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