Auth bypass in Hkuds Openharness
CVE-2026-56695
OpenHarness ohmo gateway /resume and /summary slash commands default remote_invocable to True, allowing admitted remote senders to enumerate and load arbitrary session snapshots by ID. Attackers can exploit this to access victim snapshots containing private prompts, credentials, tool output, and file paths via shared gateway channels.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Hkuds Openharness — versions 0, 92e298852c9b9c8c2266236292073623418c640a
Weakness classification (CWE)
References
- Pull Request (issue-tracking)
- Patch Commit (patch)
- www.vulncheck.com/advisories/openharness-cross-session-disclosure-via-resume-an… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56695?
- CVE-2026-56695 is a medium-severity vulnerability in Hkuds Openharness, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-06-23.
- How severe is CVE-2026-56695?
- Medium severity. CVSS v3 base score is 6.5 out of 10.