Sceawere

Vulnerability Detail

CVE-2026-55601 Verified Sceawere Triage Sources: NVD / CISA KEV

Vulnerability Metadata

Severity
High
Score / CVSS
7.3
Creation Date
1d ago
Vendor
folkertvanheusden
Product
multitail
Attack Type
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Complexity
LOW

Narrative and Response

Description

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 through execute_program() in exec.c to sh -c. Partial escaping left shell metacharacters such as command substitution active, allowing an attacker who could influence monitored input to execute commands as the user running MultiTail. No fixed release is available as of this review.

Executive Summary

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Technical Details

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Mitigations

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References

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Additional Metadata

{
  "score": "7.3",
  "pubDate": "2026-10-13T20:17:29.477Z",
  "pubdate": "2026-10-13T20:17:29.477Z"
}