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postorius vulnerabilities and fixes

Recent CVEs affecting postorius, with upgrade or downgrade steps. 1 tracked.

postorius has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-07. Highest priority: CVE-2026-44742 (score 34/100).

FAQ

How do I fix postorius 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 postorius being exploited right now?

None of the tracked postorius CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which postorius CVE should I patch first?

CVE-2026-44742 currently ranks highest (34/100): Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages po.

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