CVE-2026-56695

high

Description

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

https://www.vulncheck.com/advisories/openharness-cross-session-disclosure-via-resume-and-summary-commands

https://github.com/HKUDS/OpenHarness/pull/276

https://github.com/HKUDS/OpenHarness/commit/92e298852c9b9c8c2266236292073623418c640a

Details

Source: Mitre, NVD

Published: 2026-06-23

Updated: 2026-06-24

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

CVSS v4

Base Score: 7.1

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00231