serendipity vulnerabilities and fixes

Recent CVEs affecting serendipity, with upgrade or downgrade steps. 2 tracked.

serendipity has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-04-15. Highest priority: CVE-2026-39971 (score 39/100).

• CVE-2026-39971 HIGH 7.2 UPGRADE Serendipity is a PHP-powered weblog engine
• CVE-2026-39963 MEDIUM 6.9 UPGRADE Serendipity is a PHP-powered weblog engine

FAQ

How do I fix serendipity 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 serendipity being exploited right now?

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

Which serendipity CVE should I patch first?

CVE-2026-39971 currently ranks highest (39/100): Serendipity is a PHP-powered weblog engine.

← Back to latest CVEs