CVE-2026-58416 Gitea CVE debrief

Who should care

Gitea users and administrators, DevOps teams, and security professionals responsible for maintaining Gitea instances should be aware of this vulnerability and take steps to mitigate it. Organizations using Gitea should prioritize patching this vulnerability to prevent potential unauthorized access to private repositories. Additionally, security teams should review and apply patches for Gitea instances to prevent unauthorized access to private repositories, inventory Gitea instances to identify potential exposure, and monitor for suspicious activity related to Fork-PR Actions tasks. Gitea instances should be reviewed for potential exposure, and compensating controls should be implemented for exposed systems while remediation is scheduled and verified. Relevant monitoring, detection, and logs should be checked for exposed assets that need extra review. Exceptions should be tracked, and remediated assets should be retested and closed only after evidence is documented. Asset inventory and vulnerability management teams should also be informed to ensure proper tracking and mitigation of this vulnerability. Security teams should also consider implementing additional security measures such as compensating controls, monitoring, and asset inventory to mitigate the risk of this vulnerability. Gitea instances should be prioritized for patching based on their exposure and criticality to the organization. The Gitea security advisory and release announcement should be reviewed for additional information and guidance on mitigating this vulnerability. Gitea users and administrators should also review their instances' configurations and ensure that they are properly secured. Furthermore, security professionals should consider implementing source tracking to monitor for potential exploitation of this vulnerability. Overall, a comprehensive approach to mitigating this vulnerability should be taken, involving multiple teams and stakeholders within an organization. Gitea instances should be treated as a high-priority target for patching and mitigation efforts. The vulnerability's impact on an organization's security posture should be carefully assessed, and steps should be taken to

Technical summary

CVE-2026-58416 is a high-severity vulnerability in Gitea, a collaborative development platform. The vulnerability allows a Fork-PR Actions task to read a third private repository via the collaborative-owner branch due to a missing fork-PR guard. This could potentially allow unauthorized access to sensitive information in private repositories. The vulnerability has a CVSS score of 7.1 and a CVSS severity of HIGH. The CVE record was published on 2026-08-13T17:17:26.300Z and has not been modified since then.

Defensive priority

Organizations using Gitea should prioritize patching this vulnerability to prevent potential unauthorized access to private repositories.

Recommended defensive actions

• Review and apply patches for Gitea instances to prevent unauthorized access to private repositories.
• Inventory Gitea instances to identify potential exposure.
• Monitor for suspicious activity related to Fork-PR Actions tasks.
• Implement compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Review the Gitea security advisory and release announcement for additional information and guidance on mitigating this vulnerability.

Evidence notes

The CVE-2026-58416 record indicates a high-severity vulnerability in Gitea, allowing a Fork-PR Actions task to read a third private repository via the collaborative-owner branch due to a missing fork-PR guard. The vendor and product names are not confirmed, but there is a candidate reference to Gitea. Official sources include the CVE Program and NVD.

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.