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CVE-2025-14511

Improper Validation of Specified Quantity in Input in GitLab

HIGH
7.5
CVSS Score
Published: February 25, 2026 at 08:05 PM UTC
Updated: June 17, 2026 at 08:36 AM UTC
1 product affected across 1 vendorGitLab

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted files to the container registry event endpoint under certain conditions.

Affected

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

GitLab· GitLabmaven
95%
12.2 ≤ v < 18.7.512.2.0 ≤ v < 18.7.518.8 ≤ v < 18.8.518.8.0 ≤ v < 18.8.518.9 ≤ v < 18.9.112.218.818.918.9.0
Affected range stops below 18.7.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.8.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.9.1, 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/583717
Technical DescriptionExploitPermissions Required
Source: cverecord
https://hackerone.com/reports/3452200
Release NotesVendor Advisory
Source: cverecord
https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-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

StatusANALYZED
CWE
CWE-1284

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