Unrated severityNVD Advisory· Published Jun 23, 2026
OpenHarness - Cross-Session Disclosure via /resume and /summary Commands
CVE-2026-56695
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.
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Affected products
1Patches
Vulnerability mechanics
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References
3- github.com/HKUDS/OpenHarness/commit/92e298852c9b9c8c2266236292073623418c640amitrepatch
- www.vulncheck.com/advisories/openharness-cross-session-disclosure-via-resume-and-summary-commandsmitrethird-party-advisory
- github.com/HKUDS/OpenHarness/pull/276mitreissue-tracking
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