v9.3.9

labring/sealosv9.3.9Jun 17, 2026by jlongWang

AI Summary

This release prioritizes security hardening against CVE-2026-49975 in Nginx components and fixes several stability issues, including application access log switching and certificate renewal handling.

Key Highlights

Security hardening: Upgraded Nginx components to mitigate CVE-2026-49975
Security fix: Improved static file path handling related to Auth
Improvements: Upgraded Threat Intelligence Sharing and IP geo location database
Bug fixes: Optimized certificate synchronization and reduced unnecessary Nginx reloads

New Features

Nginx security upgrade
Threat intelligence sharing upgrade
Certificate synchronization optimization

Full Release Notes

## Release Notes

This release focuses on security hardening, an upgrade to the Threat Intelligence Sharing program, and several stability and user experience fixes. Community Edition users are advised to update promptly.

  ### Security Hardening

  - Upgraded Nginx-related components to mitigate the potential security risk of CVE-2026-49975 and improve the runtime security of the protection service.
  - Fixed an edge case in static file path handling related to Auth,improving security when abnormal paths are accessed.

  ### Improvements

  - Upgraded Threat Intelligence Sharing.
  - Updated the IP geo location database.

  ### Bug Fixes

  - Fixed an issue where the application access log could automatically switch back to the real time log after refresh or polling while viewing the History log.
  - Fixed an issue where a failed Free Cert application or renewal could trigger an abnormal full rebuild of application configuration.
  - Optimized certificate synchronization and configuration reload logic to reduce unnecessary Nginx/MGT reloads when certificate content has not changed.