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CVE-2026-6832

Get-hermes Hermes Web UI path traversal

8.1 HIGHPublic exploitEPSS 0.68%
  1. Published21 Apr 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected products

Get-hermes Hermes Web UI< 0.50.32

Remediation

Fixed in
Get-hermes Hermes Web UI≥ 0.50.32

References

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Frequently asked

Is CVE-2026-6832 being actively exploited?

CVE-2026-6832 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.68%.

How severe is CVE-2026-6832?

CVE-2026-6832 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.68% probability of exploitation.

Which products are affected by CVE-2026-6832?

Affected products include Get-hermes Hermes Web UI.

How do I fix CVE-2026-6832?

Upgrade affected software to a fixed version, for example Get-hermes Hermes Web UI 0.50.32 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-6832 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.