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.
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Fixes

Solution

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Workaround

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History

Sat, 10 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Spotweb through 1.5.8 OS Command Injection via Spot Title in Runcommand Integration
First Time appeared Spotweb Project
Spotweb Project spotweb
Weaknesses CWE-78
CPEs cpe:2.3:a:spotweb_project:spotweb:*:*:*:*:*:*:*:*
Vendors & Products Spotweb Project
Spotweb Project spotweb
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-10T14:15:52.852Z

Reserved: 2026-10-10T14:06:53.765Z

Link: CVE-2026-108546

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses