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CVE-2025-12571

Allocation of Resources Without Limits or Throttling in GitLab

HIGH
7.5
CVSS Score
Published: November 26, 2025 at 07:46 PM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorGitLab

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

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.

Affected

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

GitLab· GitLabmaven
95%
17.10.0 ≤ v < 18.4.518.5.0 ≤ v < 18.5.317.1018.518.618.6.0
Affected range stops below 18.4.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.5.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.6.1, 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)

Issue TrackingPermissions RequiredBroken Link
Source: cverecord
https://gitlab.com/gitlab-org/gitlab/-/issues/579168
Technical DescriptionExploitPermissions Required
Source: cverecord
https://hackerone.com/reports/3362239
Vendor Advisory
Source: cverecord
https://about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHGitLab
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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