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CVE-2026-43981 is a race condition vulnerability in the xyproto algernon web server versions prior to 1.17.6. The issue arises because a synchronization mutex protecting a shared Lua state is released too early, allowing concurrent requests to corrupt the Lua virtual machine state. This vulnerability has a high severity with a CVSS score of 8.2. The vulnerability is fixed in version 1.17.6 of algernon. Join the discussion | CVE Database V5 | 05/26/2026, 16:31:55 UTC Added: 05/26/2026, 17:02:38 UTC |
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