CVE-2026-58418 Gitea CVE debrief

Who should care

Defenders responsible for Gitea instances should assess exposure and prioritize patching or mitigation. Gitea instance administrators should verify the presence of this vulnerability and apply patches or mitigations as available. Defenders should care about this vulnerability as it allows for potential unauthorized requests, which could lead to data breaches or unauthorized access.

Why it matters

Defenders should care about this vulnerability as it allows for potential unauthorized requests, which could lead to data breaches or unauthorized access. Gitea instance administrators should verify the presence of this vulnerability and apply patches or mitigations as available.

• Potential unauthorized requests on behalf of the server
• Possible data breaches or unauthorized access

Technical summary

The vulnerability is caused by a Server-Side Request Forgery (SSRF) via HTTP redirect in the repository migration feature of Gitea instances. This allows an attacker to make unauthorized requests on behalf of the server, potentially leading to data breaches or unauthorized access. Defenders should prioritize verifying the presence of this vulnerability in Gitea instances and applying patches or mitigations as available. The vulnerability has a CVSS score of 6.5 and is considered medium severity. Gitea instance administrators should verify the presence of this vulnerability and apply patches or mitigations as available.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in Gitea instances and applying patches or mitigations as available.

Recommended defensive actions

• Verify the presence of this vulnerability in Gitea instances
• Apply patches or mitigations as available
• Monitor for potential exploitation attempts
• Review 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
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, the exact scope of affected versions and instances requires verification from official sources. Defenders should verify the presence of this vulnerability in Gitea instances and apply patches or mitigations as available. The vulnerability is caused by a Server-Side Request Forgery (SSRF) via HTTP redirect in the repository migration feature. This allows an attacker to make unauthorized requests on behalf of the server.

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.