---
id: CVE-2026-118869
title: >-
  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.
summary: >-
  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.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-78
vendor: SHIRASAGI Project
product: SHIRASAGI
affected:
  - SHIRASAGI >= v1.19.0 <= v1.21.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-05T14:08:33.125502Z'
published: '2026-11-05'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T19:05:00.921Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-118869'
references:
  - url: 'https://www.ss-proj.org/support/1743.html'
  - url: 'https://jvn.jp/en/jp/JVN55454512/'
tags:
  - cve.org
epss: 0.01059
epssPercentile: 0.64634
ingestedAt: '2026-11-05T22:38:31.498Z'
---

## Overview

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.

## Affected

- `SHIRASAGI >= v1.19.0 <= v1.21.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.