How severe is CVE-2026-41406?

CVE-2026-41406 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-41406 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-2026-41406?

CVE-2026-41406 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41406?

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

Does CVE-2026-41406 have an EU (EUVD) identifier?

Yes. CVE-2026-41406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26113.

When was CVE-2026-41406 published?

CVE-2026-41406 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-41406

CVE-2026-41406 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 5.4. 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 2.3
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26113
Weakness: CWE-639
Affected product: Openclaw
Published: 2026-04-28
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability that allows remote attackers to access restricted messages. Attackers can exploit fetched quoted, root, and thread context messages to bypass sender allowlist restrictions and retrieve unauthorized content.

Frequently asked questions

What is CVE-2026-41406?: OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability that allows remote attackers to access restricted messages. Attackers can exploit fetched quoted, root, and thread context messages to bypass sender allowlist restrictions and retrieve unauthorized content.
How severe is CVE-2026-41406?: CVE-2026-41406 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-41406 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-2026-41406?: CVE-2026-41406 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41406 have an EU (EUVD) identifier?: Yes. CVE-2026-41406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26113.
When was CVE-2026-41406 published?: CVE-2026-41406 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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