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CVE PROGRAM SOURCE RECORD6.0 Medium

CVE-2026-53859

OpenClaw < 2026.5.26 - Hostname Validation Bypass via Trailing-Dot Inconsistency

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

OpenClaw before 2026.5.26 contains a hostname validation vulnerability allowing attackers to bypass blocklist comparisons using trailing-dot notation in model or workspace-derived URLs. Attackers can exploit inconsistent hostname checks to reach destinations that operators intended to block through hostname policies.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OpenClaw OpenClaw

Default version status: unaffected

  • 0 to < 2026.5.26affected
  • 2026.5.26unaffected
pkg:npm/openclaw

References