PatchTheCVEmailqueue vulnerabilities and fixes
Recent CVEs affecting mailqueue, with upgrade or downgrade steps. 1 tracked.
mailqueue has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-17. Highest priority: CVE-2026-1323 (score 34/100).
- CVE-2026-1323 HIGH 8.8 UPGRADE The extension fails to properly define allowed classes used when deserializing transport failure metadata
FAQ
How do I fix mailqueue vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is mailqueue being exploited right now?
None of the tracked mailqueue CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which mailqueue CVE should I patch first?
CVE-2026-1323 currently ranks highest (34/100): The extension fails to properly define allowed classes used when deserializing transport failure metadata.