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TI-2026-64688 Aliases CVE-2026-100527GHSA-2rm8-9g74-xwqp

OpenClaw before 2026.8.2 Denial of Service via Browser Relay

Priority LOW 36CWE-400Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

OpenClaw before 2026.8.2 contains a denial of service vulnerability in the Browser extension relay that allows unauthenticated network sources to exhaust pending-authentication capacity. Attackers can hold every pending slot by maintaining silent WebSocket upgrades, preventing paired extensions from completing Browser Relay Authentication v2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00349 28th percentileScored 2026-11-07
Fix Fixed OpenClaw (OpenClaw): 2026.8.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
OpenClawOpenClawbefore 2026.8.22026.8.2Patch availableCNA
  • OpenClaw VendorOpenClaw Affected before 2026.8.2 Fixed in 2026.8.2 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*——OpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:* Versions — — ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.8.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-100527
  2. 2026-10-03 Alias added: GHSA-2rm8-9g74-xwqp
  3. 2026-10-05 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-07590 Crabbox < v0.12.0 Environment Variable Information Disclosure CVSS 4.0CRITICAL 9.3
  • TI-2026-25309 OpenClaw < 2026.3.28 Media Parsing Path Traversal to Arbitrary File Read CVSS 4.0HIGH 8.7
  • TI-2026-65190 OpenClaw Windows Node before 2026.7.1 Remote Code Execution via system.execApprovals.set CVSS 4.0HIGH 8.7
  • TI-2026-65188 OpenClaw Windows Node before 2026.7.1 Authorization Bypass CVSS 4.0HIGH 8.7
  • TI-2026-20394 Exposure of resource to wrong sphere in OpenClaw CVSS 3.1HIGH 8.8
  • TI-2026-27742 OpenClaw < 2026.3.24 - Arbitrary Code Execution via .npmrc in Local Plugin/Hook Installation CVSS 4.0HIGH 8.4
See all 678 →

Sources

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