What is CVE-2026-49958?

CVE-2026-49958 is a medium-severity vulnerability, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.0/10. Published 2026-06-09.

How severe is CVE-2026-49958?

Medium severity. CVSS v3 base score is 5.0 out of 10.

CVE-2026-49958

CVE-2026-49958

Hermes WebUI before version 0.51.303 contains a time-of-check time-of-use (TOCTOU) race condition vulnerability in the git_discard function within api/workspace_git.py that allows attackers to delete files outside the configured workspace…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:H.

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

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

Frequently asked questions

What is CVE-2026-49958?: CVE-2026-49958 is a medium-severity vulnerability, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.0/10. Published 2026-06-09.
How severe is CVE-2026-49958?: Medium severity. CVSS v3 base score is 5.0 out of 10.