PatchTheCVEcross-implementation vulnerabilities and fixes
Recent CVEs affecting cross-implementation, with upgrade or downgrade steps. 1 tracked.
Also searched as: cross implementation.
cross-implementation has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-08. Highest priority: CVE-2026-41509 (score 46/100).
- CVE-2026-41509 CRITICAL 9.8 UPGRADE CROSS implementation contains reference and optimized implementations of the CROSS post-quantum signature algo
FAQ
How do I fix cross-implementation 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 cross-implementation being exploited right now?
None of the tracked cross-implementation CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which cross-implementation CVE should I patch first?
CVE-2026-41509 currently ranks highest (46/100): CROSS implementation contains reference and optimized implementations of the CROSS post-quantum signature algo.