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Vulnerability Details :

CVE-2026-22208

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-17 Feb, 2026 | 14:29
Updated At-17 Feb, 2026 | 19:43
Rejected At-
Credits

OpenS100 Portrayal Engine Unrestricted Lua Standard Library Access

OpenS100 (the reference implementation S-100 viewer) prior to commit 753cf29 contain 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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:17 Feb, 2026 | 14:29
Updated At:17 Feb, 2026 | 19:43
Rejected At:
▼CVE Numbering Authority (CNA)
OpenS100 Portrayal Engine Unrestricted Lua Standard Library Access

OpenS100 (the reference implementation S-100 viewer) prior to commit 753cf29 contain 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 Products
Vendor
OpenS100 Project
Product
OpenS100
Package Name
OpenS100
Repo
https://github.com/S-100ExpertTeam/OpenS100
Default Status
unaffected
Versions
Affected
  • From 0 before commit 753cf29 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-749CWE-749 Exposed Dangerous Method or Function
CWECWE-829CWE-829 Inclusion of Functionality from Untrusted Control Sphere
Type: CWE
CWE ID: CWE-749
Description: CWE-749 Exposed Dangerous Method or Function
Type: CWE
CWE ID: CWE-829
Description: CWE-829 Inclusion of Functionality from Untrusted Control Sphere
Metrics
VersionBase scoreBase severityVector
4.09.4CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
3.19.6CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Version: 4.0
Base score: 9.4
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Version: 3.1
Base score: 9.6
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Hoyeon Cho, National Korea Maritime and Ocean University
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.mdpi.com/1424-8220/26/4/1246
technical-description
exploit
https://github.com/S-100ExpertTeam/OpenS100/commit/753cf294434e8d3961f20a567c4d99151e3b530d
patch
https://www.vulncheck.com/advisories/opens100-portrayal-engine-unrestricted-lua-standard-library-access
third-party-advisory
Hyperlink: https://www.mdpi.com/1424-8220/26/4/1246
Resource:
technical-description
exploit
Hyperlink: https://github.com/S-100ExpertTeam/OpenS100/commit/753cf294434e8d3961f20a567c4d99151e3b530d
Resource:
patch
Hyperlink: https://www.vulncheck.com/advisories/opens100-portrayal-engine-unrestricted-lua-standard-library-access
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:17 Feb, 2026 | 15:16
Updated At:18 Feb, 2026 | 17:52

OpenS100 (the reference implementation S-100 viewer) prior to commit 753cf29 contain 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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.4CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.19.6CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 9.4
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 9.6
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-749Secondarydisclosure@vulncheck.com
CWE-829Secondarydisclosure@vulncheck.com
CWE ID: CWE-749
Type: Secondary
Source: disclosure@vulncheck.com
CWE ID: CWE-829
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/S-100ExpertTeam/OpenS100/commit/753cf294434e8d3961f20a567c4d99151e3b530ddisclosure@vulncheck.com
N/A
https://www.mdpi.com/1424-8220/26/4/1246disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/opens100-portrayal-engine-unrestricted-lua-standard-library-accessdisclosure@vulncheck.com
N/A
Hyperlink: https://github.com/S-100ExpertTeam/OpenS100/commit/753cf294434e8d3961f20a567c4d99151e3b530d
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.mdpi.com/1424-8220/26/4/1246
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/opens100-portrayal-engine-unrestricted-lua-standard-library-access
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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