CVE WatchOct 25, 2026

CVE-2026-58123

Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitra

CVSS

9.8

Critical

EPSS

4.6%

p92

KEV

—

Exploit Today

0-100

Published: Jul 9, 2026 · Last modified: Oct 25, 2026 · CWE-306

EPSS · 30d

4.6%EPSS · 30 days4.6%

2026-10-172026-11-13

Technical description

Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without credentials. Attackers can create a session, attach a PTY shell, and write arbitrary commands through the terminal input endpoint to achieve full command execution as the server process user via four sequential unauthenticated HTTP requests.

Official references

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