CVE-2026-55601 MultiTail: Shell injection in execute-on-match command handling

MultiTail is a utility for monitoring multiple log files in one terminal. In version 7.1.5 and earlier, the -ex and -eX execute-on-match feature appended attacker-controlled matched input to a configured command inside double quotes, then checkfilterexec in mt.c passed the constructed command...

CVE-2026-55601

The log monitoring utility MultiTail (version 7.1.5 and earlier ) is vulnerable to a shell injection flaw within its -ex and -eX execute-on-match features. The root cause lies in the check_filter_exec() function in mt.c, which passes a constructed command—containing unsafely escaped attacker-cont...

PT-2026-112041

MultiTail is a utility for monitoring multiple log files in one terminal. In version 7.1.5 and earlier, the -ex and -eX execute-on-match feature appended attacker-controlled matched input to a configured command inside double quotes, then check filter exec in mt.c passed the constructed command...