Disclosure 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.
Source-reported weakness categories
CWE-1023
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-53839
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| openclaw | openclaw | * {"versionEndExcluding":"2026.5.7"} |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Mitigation, Vendor Advisory
- www.vulncheck.com — Third Party Advisory
PUBLISHED 2026-06-12T18:16:55-04:00
MODIFIED 2026-10-08T12:17:20-04:00
INGESTED 2026-10-10T20:50:35-04:00