CVEPublished 2026-06-16Modified 2026-06-170 articles on news4 live referencesNVD data

CVE-2026-53859Openclaw · Openclaw

Vulnerability data via NVD (ingested)

CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS percentile
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.

Timeline
Published 2026-06-16
Modified 2026-06-17

External references

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

More intel sources (5)

Known PoCs on GitHub (4)

We haven't classified any articles referencing CVE-2026-53859 yet. The external references above still apply.