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CVE-2026-22208

OpenS100 Portrayal Engine Unrestricted Lua Standard Library Access PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
OpenS100 Project / OpenS100affected 0 before 753cf294434e8d3961f20a567c4d99151e3b530d

CWE

CWE-749, CWE-829

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.