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OpenRemote before 1.31.0 Cross-Realm Information Disclosure via getGatewayActiveTunnelInfos

Priority MEDIUM 57CWE-639Published · 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 · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

OpenRemote core before 1.31.0 contains an authorization bypass vulnerability that allows authenticated users to read other realms' gateway tunnel information via getGatewayActiveTunnelInfos. Attackers can request the gateway tunnel endpoint with their own realm and a victim gateway ID to disclose internal target hosts, ports, and routing data.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00186 8th percentileScored 2026-11-07
Fix Fixed core (openremote): 1.31.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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

VendorProductAffected versionsFixed inStatusSource
openremotecorebefore 1.31.01.31.0Patch availableCNA
  • core Vendoropenremote Affected before 1.31.0 Fixed in 1.31.0 Patch available CNA

Remediation

  • Fix · CNA core (openremote) Fixed in 1.31.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    openremote core 1.31.0

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-80204 Authorization bypass in OpenRemote core lets gateways alter other realmsPriority MEDIUM 45
    • TI-2026-80202 OpenRemote before 1.31.0 Cross-Realm Gateway Impersonation via WebsocketPriority LOW 11

Timeline

  1. 2026-10-25 Threatist record created from CVE-2026-116185
  2. 2026-10-27 Alias added: GHSA-6f5f-g69g-4546
  3. 2026-10-29 CISA SSVC decision points changed
  4. 2026-10-29 Priority changed: LOW → MEDIUM

References

  • TI-2022-13714 An issue was discovered in OpenRemote through 1.0.4 allows attackers to execute arbitrary… CVSS 3.1CRITICAL 9.8
  • TI-2026-28724 OpenRemote is Vulnerable to Expression Injection CVSS 3.1CRITICAL 10.0
  • TI-2026-79160 Missing authorization in OpenRemote gateway tunnel endpoints CVSS 4.0CRITICAL 9.0
  • TI-2026-40948 OpenRemote < 1.25.0 IDOR via Bulk Alarm Deletion Endpoint CVSS 4.0HIGH 8.6
  • TI-2026-71893 OpenRemote: Cross-Realm User Information Disclosure in UserResourceImpl CVSS 3.1HIGH 7.7
  • TI-2026-29790 OpenRemote has Improper Access Control via updateUserRealmRoles function CVSS 3.1HIGH 7.0
See all 18 →

Sources