CVE-2026-129124
HIGH
NVD
CVSS Score
8.1
Severity
HIGH
Published
Nov 13, 2026
Vendor
unknown
Description
C-Kermit before 11.1.515 contains an OS command injection vulnerability that allows remote clients to execute shell commands by supplying unquoted arguments to REMOTE WHO or REMOTE SPACE. Attackers can append shell metacharacters to arguments passed through WHOCMD or SPACM2 to syscmd(), executing commands on the server host even when DISABLE HOST is set.
References
- https://github.com/OpenKermit/ckermit/blob/v11.0.514/ckcpro.w#L1423
- https://github.com/OpenKermit/ckermit/commit/29c4bfbe12d685f93668350c24291e562029ff57
- https://github.com/OpenKermit/ckermit/releases/tag/v11.1.515
- https://github.com/OpenKermit/ckermit/security/advisories/GHSA-c5px-7h4c-gj8p
- https://www.vulncheck.com/advisories/c-kermit-before-11.1.515-os-command-injection-via-remote-who-and-remote-space