cvedb.io
CVE-2026-26201
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-02-19T20:25:42.770 · Last modified 2026-06-17T10:25:55.907

Summary

emp3r0r is a C2 designed by Linux users for Linux environments. Prior to version 3.21.2, multiple shared maps are accessed without consistent synchronization across goroutines. Under concurrent activity, Go runtime can trigger `fatal error: concurrent map read and map write`, causing C2 process crash (availability loss). Version 3.21.2 fixes this issue.

Affected products

jm33-m0 — emp3r0r

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.