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TI-2026-38835 Aliases CVE-2026-53839GHSA-wcpv-6hg7-mfcc

OpenClaw < 2026.5.7 - Hostname Prefix Matching Bypass in Trusted Retry Endpoint Validation

Priority LOW 26CWE-1023Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. Attackers can exploit this by crafting a hostname prefix resembling a trusted host to send authentication material to untrusted endpoints.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00265 18th percentileScored 2026-11-07
Fix Fixed OpenClaw (OpenClaw): 2026.5.7

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

VendorProductAffected versionsFixed inStatusSource
OpenClawOpenClawbefore 2026.5.72026.5.7Patch availableCNA
  • OpenClaw VendorOpenClaw Affected before 2026.5.7 Fixed in 2026.5.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*before 2026.5.7VulnerableOpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* Versions before 2026.5.7 Vulnerable ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.5.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-53839
  2. 2026-10-03 Alias added: GHSA-wcpv-6hg7-mfcc

References

Advisory 1

  • TI-2026-25309 OpenClaw < 2026.3.28 Media Parsing Path Traversal to Arbitrary File Read 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
  • TI-2026-27766 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing CVSS 4.0MEDIUM 6.9
  • TI-2026-07315 OpenClaw bluebubbles Webhook monitor.ts handleBlueBubblesWebhookRequest improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-17789 OpenClaw < 2026.2.22 - Allowlist Bypass via Command Substitution in system.run CVSS 4.0HIGH 7.5
See all 574 →

Sources

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