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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OpenClaw OpenClaw unaffected
Version Status Constraints
0 affected < 2026.4.2
2026.4.2 unaffected —

No data.

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Project Subscriptions

Vendors Products
Openclaw Subscribe
Openclaw Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/openclaw/openclaw/commit/be10ecef770a4654519869c3641bbb91087c8c7b cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-jj6q-rrrf-h66h cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-timing-side-channel-in-shared-secret-comparison cve-icon cve-icon
History

Tue, 28 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.4.2 - Timing Side Channel in Shared-Secret Comparison
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-208
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-28T18:10:04.932Z

Reserved: 2026-04-20T14:15:22.223Z

Link: CVE-2026-41407

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-28T19:37:44.433

Modified: 2026-04-28T20:10:23.367

Link: CVE-2026-41407

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses