postal vulnerabilities and fixes
Recent CVEs affecting postal, with upgrade or downgrade steps. 1 tracked.
postal has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-12. Highest priority: CVE-2026-25529 (score 32/100).
- CVE-2026-25529 HIGH 8.1 UPGRADE Postal is an open source SMTP server
FAQ
How do I fix postal 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 postal being exploited right now?
None of the tracked postal CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which postal CVE should I patch first?
CVE-2026-25529 currently ranks highest (32/100): Postal is an open source SMTP server.