HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-108546 — Spotweb through 1.5.8 contains an OS command injection vulnerability in the runc...

·Source: NIST NVD

Updated:

Executive Summary

Spotweb through 1.5.8 contains an OS command injection vulnerability in the runcommand NZB handler that allows remote attackers to execute commands by publishing spots with malicious titles. Attackers can post self-signed spots over Usenet with shell metacharacters in the title, which are substituted unescaped for $SPOTTITLE and passed to exec() when a user downloads the spot, running commands as

Analysis

Spotweb through 1.5.8 contains an OS command injection vulnerability in the runcommand NZB handler that allows remote attackers to execute commands by publishing spots with malicious titles. Attackers can post self-signed spots over Usenet with shell metacharacters in the title, which are substituted unescaped for $SPOTTITLE and passed to exec() when a user downloads the spot, running commands as the Spotweb PHP process. CVSS Score: 7.5. Published: 2026-10-10T15:16:57.573.

Indicators of Compromise (1)

CVE (1)
CVE-2026-108546
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 10, 2026. Verified by: NIST.

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