PatchTheCVEv1-core vulnerabilities and fixes
Recent CVEs affecting v1-core, with upgrade or downgrade steps. 1 tracked.
Also searched as: v1 core.
v1-core has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-07. Highest priority: CVE-2026-4931 (score 39/100).
- CVE-2026-4931 HIGH 8.6 UPGRADE Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a
FAQ
How do I fix v1-core 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 v1-core being exploited right now?
None of the tracked v1-core CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which v1-core CVE should I patch first?
CVE-2026-4931 currently ranks highest (39/100): Smart contract Marginal v1 performs unsafe downcast, allowing attackers to settle a large debt position for a .