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CVE-2026-53839

6.0 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.0 · openclawNVD modified 2026-10-08 16:17

Affected (CPE criteria) 1

  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

References 2