CVE-2026-58427 Gitea CVE debrief

Who should care

Gitea instance administrators, developers using Gitea for their projects, and security teams responsible for monitoring and mitigating vulnerabilities in software development tools.

Technical summary

CVE-2026-58427 is a high-severity vulnerability in Gitea, a self-hosted Git service. The issue arises from an incomplete fix for PR #38145, which fails to properly restrict access to private organization member lists through the /members API endpoint. This allows unauthorized users to potentially access sensitive information about organization members. The vulnerability has a CVSS score of 7.5 and is classified under CWE-200 (Information Exposure) and CWE-863 (Incorrect Authorization).

Defensive priority

Organizations using Gitea should verify their configurations and ensure proper authorization settings are in place to mitigate potential exposure.

Recommended defensive actions

• Verify Gitea instance configurations to ensure proper authorization settings.
• Apply the latest Gitea updates to address the incomplete fix for PR #38145.
• Monitor /members API endpoint usage for potential unauthorized access attempts.
• Review organization member list access controls and permissions.
• Confirm whether affected Gitea deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed Gitea systems while remediation is scheduled and verified.
• Track exceptions, retest remediated Gitea assets, and close the item only after evidence is documented.

Evidence notes

The CVE-2026-58427 record indicates a high-severity vulnerability in Gitea, with a CVSS score of 7.5. The issue involves an incomplete fix for PR #38145, leading to the leakage of private organization member lists via the /members API endpoint. Evidence is based on official CVE and NVD records, as well as references from Gitea's release notes and security advisories.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.