Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-79623
FishCodeTech Muteki Default Local Worker Backend settings.json os command injection
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N L L L 2.1 .0182 78.0 —
AFFECTED
Product Versions Fixed
Muteki 0.2.0 – —
TIMELINE
Aug 25 Reserved by VulDB
Aug 25 Published (CNA: VulDB)
Aug 26 EXPLOIT PUBLISHED — CVE-2026-79623 (FishCodeTech Muteki). Public exploit reference added.
Aug 27 EXPLOIT PUBLISHED — CVE-2026-79623 (FishCodeTech Muteki). Public exploit reference 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."
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| August 25, 2026 | Reserved | Reserved by VulDB |
| August 25, 2026 | Published | Published (CNA: VulDB) |
| August 26, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-79623 (FishCodeTech Muteki). Public exploit reference added. |
| August 27, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-79623 (FishCodeTech Muteki). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| FishCodeTech | Muteki | — | 0.2.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-79623 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
