Race Condition Affecting github.com/xyproto/algernon/engine package, versions <1.17.6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published1 Jun 2026
- disclosed26 May 2026
- creditKatrielMoses
Introduced: 26 May 2026
CVE-2026-43981 Â (opens in a new tab)How to fix?
Upgrade github.com/xyproto/algernon/engine to version 1.17.6 or higher.
Overview
github.com/xyproto/algernon/engine is a
Affected versions of this package are vulnerable to Race Condition.
in the handle process due to the sync.RWMutex being released before L.Push() and L.PCall() execute. An attacker can cause Lua VM corruption or unpredictable server behavior by making concurrent requests that race on the shared LState.