CVE-2026-56695
MEDIUMOpenHarness - Cross-Session Disclosure via /resume and /summary Commands
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Patch patch
Patch Commit
https://github.com/HKUDS/OpenHarness/commit/92e298852c9b9c8c2266236292073623418c640a
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/openharness-cross-session-disclosure-via-resume-and-summary-commands
Scores
CVSS v3
6.5
EPSS
0.0023
EPSS Percentile
14.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (2)
HKUDS/OpenHarness
< 0.1.9
HKUDS/OpenHarness
92e298852c9b9c8c2266236292073623418c640a
Published
Jun 23, 2026
Tracked Since
Jun 23, 2026