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    CVE-2026-6832

    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.

    Published:Apr 21, 2026
    Last Modified:Jun 4, 2026
    EPS:Apr 21, 2026
    EPSS Score:0.0012
    CVSS Score:8.1

    Affected Products

    Vendor
    Get-hermes
    Product
    Hermes Web Ui
    Vendor
    Nesquena
    Product
    Hermes-webui

    Exploits

    https://github.com/nesquena/hermes-webui/pull/409

    Related CVEs

    CVE-2026-58122 (CVSS 9.3) — Hermes WebUI before 0.51.307 contains an authentication bypass vulnerability that allows unauthenticated remot…
    CVE-2026-58123 (CVSS 9.3) — Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remot…
    CVE-2026-58174 (CVSS 6) — Hermes WebUI before 0.51.521 validates the workspace of an imported session under the active named profile but…
    CVE-2026-55205 (CVSS 6.9) — Hermes WebUI before 0.51.468 contains a resource exhaustion vulnerability in the unauthenticated POST /api/onb…
    CVE-2026-55198 (CVSS 7.1) — Hermes WebUI before 0.51.443 contains an authorization bypass vulnerability in the session export endpoint tha…
    CVE-2026-55197 (CVSS 7.1) — Hermes WebUI before 0.51.443 contains a broken access control vulnerability in the /api/session endpoint that …
    CVE-2026-55196 (CVSS 9.1) — Hermes WebUI before 0.51.409 contains an authentication bypass vulnerability in passkey registration endpoints…
    CVE-2026-53871 (CVSS 8.6) — Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() functi…
    CVE-2026-49973 (CVSS 9.2) — Hermes WebUI before version 0.51.358 contains an improper access control vulnerability that allows unauthentic…
    CVE-2026-49959 (CVSS 8.7) — Hermes WebUI before version 0.51.311 contains a remote code execution vulnerability that allows authenticated …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High