CVE-2026-41407

Low

Description

OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-length comparison helpers. Attackers can measure timing differences to leak secret-length information, weakening constant-time handling for shared secrets.

SeverityLow

CVSS3.7

Exploit probability—

ProductOpenclaw

PublishedApr 28, 2026

First seenApr 28, 2026

Weakness typeCWE-208CWE-208

How to fix

Update

openclaw openclaw2026.4.2 or later
openclaw2026.4.2 or later

Patches

github.com/openclaw/openclaw/commit/be10ecef770a4654519869c3641bbb91087c8c7b

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-jj6q-rrrf-h66h

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.4.2	2026.4.2
openclawnpm	v < 2026.4.2	2026.4.2

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.