CVE-2026-79623FishCodeTech Muteki Default Local Worker Backend settings.json os command injection
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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."
- CVSS
- 6.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-78, CWE-77
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
FishCodeTech Muteki fishcodetech:muteki | 0.2.0; 0.2.1; 0.2.2; 0.2.3; 0.2.4; 0.2.5 | CNA record |
References
- https://vuldb.com/vuln/394962vdb-entry
- https://vuldb.com/vuln/394962/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-79623third-party-advisory
- https://vuldb.com/submit/887095third-party-advisory
- https://github.com/FishCodeTech/muteki/issues/7issue-tracking
- https://github.com/micr0softDrestlife/muteki_vul_reportexploit
- https://github.com/FishCodeTech/muteki/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.