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TI-2026-05895 Aliases CVE-2026-6729GHSA-pvmf-7x77-8q82

HKUDS OpenHarness Session Key Collision Privilege Escalation

Priority LOW 23CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

HKUDS OpenHarness prior to PR #159 remediation contains a session key derivation vulnerability that allows authenticated participants in shared chats or threads to hijack other users' sessions by exploiting a shared ohmo session key that lacks sender identity verification. Attackers can reuse another user's conversation state and replace or interrupt their active tasks by colliding into the same session boundary through the shared chat or thread scope.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00197 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

No affected products listed by the sources yet.

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hkuds:openharness:*:*:*:*:*:*:*:*before 0.1.7VulnerableHKUDS
  • cpe:2.3:a:hkuds:openharness:*:*:*:*:*:*:*:* Versions before 0.1.7 Vulnerable ·HKUDS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6729
  2. 2026-10-03 Alias added: GHSA-pvmf-7x77-8q82

References

Exploit 1

Patch 1

  • TI-2026-05985 HKUDS OpenHarness Insecure Default Remote Channel Allowlist CVSS 4.0HIGH 8.3
  • TI-2026-29263 OpenHarness SSRF via web_fetch and web_search CVSS 4.0HIGH 7.8
  • TI-2026-29262 OpenHarness Permission Bypass via grep and glob root argument CVSS 4.0HIGH 8.7
  • TI-2026-29252 OpenHarness Remote Administrative Command Injection via Gateway Handler CVSS 4.0HIGH 8.7
  • TI-2026-06639 HKUDS OpenHarness Remote Command Execution via /bridge Slash Command CVSS 4.0HIGH 8.7
  • TI-2026-05982 HKUDS OpenHarness Plugin Management Command Exposure CVSS 4.0HIGH 8.7
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences