CVE-2026-41407 OpenClaw < 2026.4.2 - Timing Side Channel in Shared-Secret Comparison
Attackers can exploit timing side channels in shared-secret comparisons to leak secret length information, weakening security in OpenClaw libraries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41407?
CVE-2026-41407 is a medium-severity vulnerability in Openclaw Openclaw, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-208
Which versions are affected by CVE-2026-41407?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.4.2 |
openclaw npm | All versions | 2026.4.2 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-41407?
Upgrade openclaw to 2026.4.2 or later.
Is CVE-2026-41407 being exploited?
There is no known exploitation of CVE-2026-41407 in the wild and no public exploit code.
Other vulnerabilities in Openclaw Openclaw
- CVE-2026-28363 Security feature bypass in OpenClaw
- CVE-2026-30741 Code injection in n/a
- CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
- CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
- CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners
Sources
Also known as GHSA-jj6q-rrrf-h66h, MINI-37pw-37mc-rw8x.