What is CVE-2026-58122?

CVE-2026-58122 is a critical-severity vulnerability in Nesquena Hermes-webui, classified under CWE-348. CVSS score: 9.1/10. Published 2026-07-09.

How severe is CVE-2026-58122?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Nesquena Hermes-webui

CVE-2026-58122

Hermes WebUI before 0.51.307 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to circumvent local-origin IP restrictions on onboarding endpoints by supplying a spoofed X-Forwarded-For header with…

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Nesquena Hermes-webui — versions 0

Weakness classification (CWE)

CWE-348

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-58122?: CVE-2026-58122 is a critical-severity vulnerability in Nesquena Hermes-webui, classified under CWE-348. CVSS score: 9.1/10. Published 2026-07-09.
How severe is CVE-2026-58122?: Critical severity. CVSS v3 base score is 9.1 out of 10.