What is CVE-2026-49959?

CVE-2026-49959 is a high-severity vulnerability, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-09.

How severe is CVE-2026-49959?

High severity. CVSS v3 base score is 8.8 out of 10.

CVE-2026-49959

CVE-2026-49959

Hermes WebUI before version 0.51.311 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by placing malicious executable Git configuration in a workspace repository's .git/config…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com
disclosure@vulncheck.com
disclosure@vulncheck.com
disclosure@vulncheck.com

Frequently asked questions

What is CVE-2026-49959?: CVE-2026-49959 is a high-severity vulnerability, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-09.
How severe is CVE-2026-49959?: High severity. CVSS v3 base score is 8.8 out of 10.