What’s Vulnerable › Vulnerabilities

CVE-2025-1754: Missing Authentication for Critical Function in GitLab

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-26 · updated 2026-06-17
• Weakness: CWE-306

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed unauthenticated attackers to upload arbitrary files to public projects by sending crafted API requests, potentially leading to resource abuse and unauthorized content storage.

Affected products

• GitLab: from 17.2.0 before 17.11.5; from 18.0.0 before 18.0.3; 18.1.0 — fixed in 17.11.5, 18.0.3

How to fix

Upgrade to a fixed version: GitLab 17.11.5, 18.0.3. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/gitlab/-/issues/521619
• https://hackerone.com/reports/3009067

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