What’s Vulnerable › Vulnerabilities

CVE-2025-10903: Loop with Unreachable Exit Condition ('Infinite Loop') in GitLab

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-26 · updated 2026-10-19
• Weakness: CWE-835

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have caused denial of service, due to an unbounded loop triggered by specially crafted input in the SCIM user provisioning feature.

Affected products

• GitLab: from 11.1.0 before 19.1.7; from 19.2.0 before 19.2.5; 19.3.0 — fixed in 19.1.7, 19.2.5

How to fix

Upgrade to a fixed version: GitLab 19.1.7, 19.2.5. Check the vendor advisory for mitigations.

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/571842
• https://hackerone.com/reports/3292470

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