How severe is CVE-2026-41407?

CVE-2026-41407 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-41407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41407?

CVE-2026-41407 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41407?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-41407 have an EU (EUVD) identifier?

Yes. CVE-2026-41407 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26114.

When was CVE-2026-41407 published?

CVE-2026-41407 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-41407

CVE-2026-41407 is a low-severity vulnerability in Openclaw with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-208.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v4: 6.3
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26114
Weakness: CWE-208
Affected product: Openclaw
Published: 2026-04-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-41407?: 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.
How severe is CVE-2026-41407?: CVE-2026-41407 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-41407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41407?: CVE-2026-41407 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41407 have an EU (EUVD) identifier?: Yes. CVE-2026-41407 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26114.
When was CVE-2026-41407 published?: CVE-2026-41407 was published on 2026-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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