CVE-2026-58510 in Gitea
Summary
by MITRE • 08/13/2026
GHSA-8fwc-qjw5-rvgp ClearRepoWatches fix not applied to API EditRepo path — sister code path retains stale watches on public->private
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Analysis
by VulDB Data Team • 08/13/2026
This vulnerability exists in the ClearRepoWatches functionality where a fix was properly implemented for one code path but not consistently applied to all related pathways within the repository management system. The issue manifests specifically when transitioning repositories from public to private status through the EditRepo API endpoint, where stale watches are retained despite the intended clearing operation. The root cause stems from inconsistent code implementation patterns where the fix targeting the ClearRepoWatches mechanism was only applied to the primary code path while a sister code path handling repository edits remained unpatched. This creates a security gap where users who previously had watch permissions on public repositories may continue to receive notifications and maintain access controls even after the repository has been converted to private status, potentially exposing sensitive information or maintaining unauthorized access privileges.
The technical flaw represents a failure in code consistency and access control enforcement mechanisms that should ensure proper privilege revocation during repository state transitions. When repositories change from public to private, all associated watch mechanisms should be cleared to prevent continued notification delivery to former public viewers who no longer possess valid access rights. The vulnerability creates a persistent exposure where stale watches can maintain unauthorized access to repository updates, notifications, and potentially sensitive operational data. This issue demonstrates poor software engineering practices in maintaining consistent security controls across multiple code paths that handle similar operations.
The operational impact of this vulnerability extends beyond simple notification persistence to potential information disclosure and access control bypass scenarios. Users who previously had watch permissions on public repositories may continue receiving updates about repository changes, modifications, or sensitive activities even after the repository has been privatized. This creates a scenario where unauthorized individuals could maintain awareness of repository activities that should be restricted to authorized parties only. The vulnerability particularly affects organizations relying on repository access controls for security-sensitive operations where the transition from public to private status is expected to completely sever previous access relationships.
Security mitigation strategies should focus on implementing comprehensive code review processes to ensure consistent application of security fixes across all related code paths and functionality. Organizations must establish rigorous testing procedures that validate access control behavior during repository state transitions, particularly focusing on watch mechanism cleanup operations. The implementation should include automated testing scenarios that verify proper watch clearing when repositories change from public to private status, ensuring that no stale watches persist in the system. Additionally, security controls should be enhanced to provide explicit verification of access rights during repository state changes, with logging mechanisms to track and audit watch cleanup operations.
This vulnerability aligns with CWE-284 Access Control Issues and represents a failure in privilege management during state transitions. The inconsistency between code paths demonstrates weaknesses in software development practices that can be addressed through proper code review standards and automated testing frameworks. From an ATT&CK perspective, this vulnerability could enable privilege escalation or information disclosure through the maintenance of unauthorized watch mechanisms. The issue highlights the importance of maintaining consistent security controls across all code paths handling similar operations, particularly those involving access control and privilege management within repository management systems. Proper implementation should ensure that repository state transitions trigger complete cleanup of all associated watch mechanisms to prevent unauthorized continued access to repository notifications and updates.