CVE-2026-45002: OpenClaw < 2026.4.20 - Hook Session-Key Bypass via Template Mapping

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-11 · updated 2026-06-17
Weakness: CWE-863

Description

OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.

Affected products

OpenClaw: before 2026.4.20 — fixed in 2026.4.20

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.20. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/5275d008ed33203dba3f98e969ad683a65c416c3
https://github.com/openclaw/openclaw/security/advisories/GHSA-2xcp-x87w-q377
https://www.vulncheck.com/advisories/openclaw-hook-session-key-bypass-via-template-mapping

Get alerted when CVE-2026-45002 or the next vulnerability affects your stack