CVE-2026-118869
Received Received - Intake

OS Command Injection in SHIRASAGI

Publication date: 2026-11-05

Last updated on: 2026-11-05

Assigner: JPCERT/CC

Description
An OS command injection vulnerability exists in SHIRASAGI, which may allow an authenticated attacker to execute arbitrary OS commands on the system running the product.

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Meta Information

Published
2026-11-05
Last Modified
2026-11-05
Generated
2026-11-05
AI Q&A
2026-11-05
EPSS Evaluated
N/A
NVD
CVE-2026-118869
EUVD
EUVD-2026-117397

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
SHIRASAGI Project SHIRASAGI v1.19.0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

This is an OS command injection vulnerability in SHIRASAGI. An authenticated attacker could exploit it to run arbitrary commands on the system hosting the software.

Detection Guidance

To detect OS command injection vulnerabilities in SHIRASAGI, check the software version running on your system. If it is between v1.12.0 and v1.21.0, the system is vulnerable. Use commands like 'curl -s http://[target]/admin/version' or check the installed package version via package managers like 'dpkg -l shirasagi' or 'rpm -qa | grep shirasagi'.

Impact Analysis

An attacker could gain control over the server running SHIRASAGI, potentially stealing data, installing malware, or disrupting services. This requires authentication but could lead to severe system compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access control.

Mitigation Strategies

Apply the latest security patches or updates for SHIRASAGI immediately. Restrict user privileges to minimize potential impact. Monitor system logs for suspicious activity and isolate affected systems if compromised.

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