CVE-2026-26201
emp3r0r Affected by Concurrent Map Access DoS (panic/crash)
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-362 CWE-663 |
| Vendor | jm33-m0 |
| Product | emp3r0r |
| Published | Feb 19, 2026 |
| Last Updated | Feb 19, 2026 |
Stay Ahead of the Next One
Get instant alerts for jm33-m0 emp3r0r
Be the first to know when new unknown vulnerabilities affecting jm33-m0 emp3r0r are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
jm33-m0 / emp3r0r
< 3.21.2