Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
CVE-2026-53839 OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. Atta… https://www.cve.org/CVERecord?id=CVE-2026-53839
Post summary
The entry notes a hostname validation vulnerability in OpenClaw before 2026.5.7 that permits prefix matching, but provides no evidence of exploits, active use, or patches.
CVE-2026-53839 Hostname Validation Vulnerability in OpenClaw Before 2026.5.7 Retry Endp... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-53839 Vulnerability Notification: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=3
Post summary
The post announces CVE-2026-53839, a hostname validation flaw in OpenClaw before version 2026.5.7, and links to a vulnerability details page, but it does not include PoC, exploit code, active exploitation evidence, or patch information.
1 of 1 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | openclaw | openclaw | - | node.js | - |