CVE-2026-35670

Medium

Description

OpenClaw before 2026.3.22 contains a webhook reply delivery vulnerability that allows attackers to rebind chat replies to unintended users by exploiting mutable username matching instead of stable numeric user identifiers. Attackers can manipulate username changes to redirect webhook-triggered replies to different users, bypassing the intended recipient binding recorded in webhook events.

SeverityMedium

CVSS5.9

Exploit probability—

ProductOpenclaw

PublishedApr 10, 2026

First seenApr 10, 2026

Weakness typeCWE-807CWE-807

How to fix

Update

openclaw openclaw2026.3.22 or later
openclaw2026.3.22 or later

Patches

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-wv46-v6xc-2qhf

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.3.22	2026.3.22
openclawnpm	v < 2026.3.22	2026.3.22

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.