CVE-2026-58445 Gitea CVE debrief

Who should care

Gitea instance administrators and security teams responsible for label management and access controls should be aware of this vulnerability. They should review their instance configurations, label management practices, and apply vendor patches when available. Additionally, they should monitor for suspicious label-related activity and review compensating controls for exposed systems.

Technical summary

CVE-2026-58445 is a low-severity vulnerability in Gitea's unscoped DeleteIssueLabel API. This vulnerability could potentially allow cross-repository label-ID enumeration. The vulnerability has a CVSS score of 2.7, indicating limited impact. Gitea instance administrators should review label management and access controls, and apply vendor patches when available. The vulnerability is related to the way Gitea handles label management across different repositories. It is essential for administrators to assess their instance's exposure and take necessary actions to mitigate the vulnerability. This includes monitoring for suspicious label-related activity and reviewing compensating controls for exposed systems.

Defensive priority

Low CVSS score of 2.7 indicates limited impact; prioritize patching for sensitive Gitea instances.

Recommended defensive actions

• Inventory Gitea instances for exposure
• Review label management and access controls
• Apply vendor patches when available
• Monitor for suspicious label-related activity
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions and retest remediated assets

Evidence notes

The evidence for this CVE is limited. Verify Gitea instance configurations and label management practices. Check for any publicly available repositories that may be using the vulnerable API. Review vendor documentation and security advisories for additional information. Ensure that instances are patched or mitigated according to vendor guidance.

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.