CVE-2026-22677: nesquena hermes-webui

Hermes WebUI < 0.51.44 Path Traversal via Session Import Endpoint

CVSS 6.0 MediumEPSS 0.0038 · 31st percentile

Published by the CVE Program (CNA: VulnCheck) at 13 May 2026, 19:08 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
nesquena	hermes-webui pkg:github/nesquena/hermes-webui	affected before 0.51.44 semver unaffected f00cb74f776f22f02f5eb6b39dfb389f87cc7fd3 git Other versions: affected

Identifiers

CVE-2026-22677

CNA

VulnCheck

Weakness (CWE)

CWE-22

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.0	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0038, the 31st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 May 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/nesquena/hermes-webui/releases/tag/v0.51.44 release-notes
github.com/nesquena/hermes-webui/pull/2048 issue-tracking
github.com/nesquena/hermes-webui/commit/f00cb74f776f22f02f5eb6b39dfb389f87cc7fd3 patch
www.vulncheck.com/advisories/hermes-webui-path-traversal-via-session-import-endpoint third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.