Is CVE-2026-22677 actively exploited?

No active exploitation of CVE-2026-22677 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-22677 be exploited remotely?

Yes. CVE-2026-22677 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-22677?

CVE-2026-22677 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-22677

CWE-22Published: May 13, 2026· Updated: May 14, 2026

6.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.1th

Official Description

Hermes WebUI prior to 0.51.44 - Release T contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspace value. Attackers can supply a blocked filesystem root in the workspace field and subsequently use relative paths in the session file API to access any file readable by the WebUI process.

NVD Source

Technical Analysis

CVE-2026-22677 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.