CVE-2026-22208
9.6 CRITICALOpenS100 (the reference implementation S-100 viewer) prior to commit 753cf29 contains a remote code execution vulnerability via an unrest...
Published: 2026-02-17 · Last updated: 2026-05-26
Severity and scoring
- CVSS
- 9.6 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- CWE
- CWE-749, CWE-829
Description
OpenS100 (the reference implementation S-100 viewer) prior to commit 753cf29 contains a remote code execution vulnerability via an unrestricted Lua interpreter. The Portrayal Engine initializes Lua using luaL_openlibs() without sandboxing or capability restrictions, exposing standard libraries such as 'os' and 'io' to untrusted portrayal catalogues. An attacker can provide a malicious S-100 portrayal catalogue containing Lua scripts that execute arbitrary commands with the privileges of the OpenS100 process when a user imports the catalogue and loads a chart.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-22208
- [Other]https://github.com/S-100ExpertTeam/OpenS100/commit/753cf294434e8d3961f20a567c4d99151e3b530d
- [Other]https://www.mdpi.com/1424-8220/26/4/1246
- [Other]https://www.vulncheck.com/advisories/opens100-portrayal-engine-unrestricted-lua-standard-library-access
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