CVE-2026-79623

FishCodeTech Muteki Default Local Worker Backend settings.json os command injection

Published Aug 25, 2026 CVSS 4.0 · 5.3 Medium EPSS 1.8% KEV · Not listed
Description
A security vulnerability has been detected in FishCodeTech Muteki up to 0.2.5. The affected element is an unknown function of the file .claude/settings.json of the component Default Local Worker Backend. The manipulation leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The issue was closed with the comment (translated from Chinese): "The project will be refactored and shut down."

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A security vulnerability has been detected in FishCodeTech Muteki up to 0.2.5. The affected element is an unknown function of the file .claude/settings.json of the component Default Local Worker Backend. The manipulation leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The issue was closed with the comment (translated from Chinese): "The project will be refactored and shut down."
Title FishCodeTech Muteki Default Local Worker Backend settings.json os command injection
First Time appeared Fishcodetech
Fishcodetech muteki
Weaknesses CWE-77
CWE-78
CPEs cpe:2.3:a:fishcodetech:muteki:*:*:*:*:*:*:*:*
Vendors & Products Fishcodetech
Fishcodetech muteki
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Aug 27, 2026, 2:35 PM
Reserved
Aug 25, 2026, 8:42 AM
Status
Deferred
Published
Aug 25, 2026, 2:16 PM
Modified
Aug 27, 2026, 5:20 PM