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Hermes Webui CVE-2026-6832

| EUVDEUVD-2026-24517 HIGH
Path Traversal (CWE-22)
2026-04-21 VulnCheck
Path Traversal Hermes Webui
7.2
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
7.2 HIGH
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:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
CVSS changed
Apr 21, 2026 - 22:22 NVD
8.1 (HIGH) 7.2 (HIGH)
EUVD ID Assigned
Apr 21, 2026 - 22:16 euvd
EUVD-2026-24517
Patch released
Apr 21, 2026 - 22:16 nvd
Patch available
CVE Published
Apr 21, 2026 - 21:44 nvd
HIGH 7.2

DescriptionCVE.org

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.

Analysis

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.

More in Hermes Webui

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Unauthenticated remote code execution in Hermes WebUI before version 0.51.788 lets remote attackers run arbitrary shell

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Authentication bypass in Hermes WebUI before 0.51.307 lets unauthenticated remote attackers reach onboarding endpoints t
CVE-2026-55196 CRITICAL
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Authentication bypass in Hermes WebUI before 0.51.409 allows unauthenticated remote attackers to register the first pass
CVE-2026-49973 CRITICAL
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Unauthenticated initial-setup hijack in Hermes WebUI before 0.51.358 allows any remote attacker who can reach the settin
CVE-2026-53871 HIGH
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Cross-profile authorization bypass in Hermes WebUI before 0.51.368 allows authenticated users to access sessions, files,
CVE-2026-11322 HIGH
7.1 Jun 04

Information disclosure in Hermes WebUI before v0.51.221 allows authenticated remote attackers to read arbitrary files ou
CVE-2026-49956 HIGH
7.1 Jun 09

Cross-profile data disclosure in Hermes WebUI before 0.51.269 allows authenticated users to read session titles and tran
CVE-2026-55198 HIGH
7.1 Jun 17

Cross-profile session data exfiltration in Hermes WebUI before 0.51.443 lets any authenticated user retrieve session tra
CVE-2026-55197 HIGH
7.1 Jun 17

Cross-profile session disclosure in Hermes WebUI before 0.51.443 lets any authenticated user retrieve conversation trans
CVE-2026-49955 MEDIUM
6.9 Jun 09

Resource exhaustion in Hermes WebUI before v0.51.270 allows unauthenticated remote attackers to degrade service availabi
CVE-2026-55205 MEDIUM
6.9 Jun 18

Resource exhaustion in Hermes WebUI before 0.51.468 exposes an unauthenticated POST /api/onboarding/oauth/start endpoint
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Cross-profile workspace isolation bypass in Hermes WebUI before 0.51.521 allows an authenticated low-privilege user oper

Same weakness CWE-22 – Path Traversal

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CVE-2021-27065 HIGH POC
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CVE-2019-11510 CRITICAL POC
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CVE-2018-13379 CRITICAL POC
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CVE-2015-0016 HIGH POC
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Same technique Path Traversal

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CVE-2024-48248 HIGH POC
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CVE-2026-6832 vulnerability details – vuln.today
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