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Vulnerability record · CVE-2026-6832 · published 21 April 2026

CVE-2026-6832: Get-hermes hermes web ui path traversal vulnerability

GGet Hermes · Hermes Web Ui

Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.

7.2 CVSS 4.0 High EPSS 0.68% · top 49.4% CWE-22 · Path traversal
7.2CVSS 4.0 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nesquena/hermes-webui/commit/3cc5839bf303fa6758bfdac538507407a2929655 Patch
https://github.com/nesquena/hermes-webui/pull/409 ExploitIssue TrackingPatchVendor Advisory
https://github.com/nesquena/hermes-webui/pull/412 Issue TrackingPatch
https://github.com/nesquena/hermes-webui/releases/tag/v0.50.132 ProductRelease Notes
https://github.com/nesquena/hermes-webui/releases/tag/v0.50.32 ProductRelease Notes
https://www.vulncheck.com/advisories/nesquena-hermes-webui-arbitrary-file-deletion-via-unvalidated-session-id Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-6832), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.