PatchTheCVEhttp\ vulnerabilities and fixes
Recent CVEs affecting http\, with upgrade or downgrade steps. 1 tracked.
http\ has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-28. Highest priority: CVE-2026-3256 (score 51/100).
- CVE-2026-3256 CRITICAL 9.8 UPGRADE HTTP::Session versions before 0.54 for Perl defaults to using insecurely generated session ids. HTTP::Session
FAQ
How do I fix http\ 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 http\ being exploited right now?
None of the tracked http\ CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which http\ CVE should I patch first?
CVE-2026-3256 currently ranks highest (51/100): HTTP::Session versions before 0.54 for Perl defaults to using insecurely generated session ids. HTTP::Session.