How severe is CVE-2026-41403?

CVE-2026-41403 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-41403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41403?

CVE-2026-41403 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41403?

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

Does CVE-2026-41403 have an EU (EUVD) identifier?

Yes. CVE-2026-41403 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26110.

When was CVE-2026-41403 published?

CVE-2026-41403 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-41403

CVE-2026-41403 is a low-severity vulnerability in Openclaw with a CVSS 3.x base score of 2.9. 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-807.

Key facts

Severity: Low (CVSS 3.x base score 2.9)
CVSS v4: 6.3
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26110
Weakness: CWE-807
Affected product: Openclaw
Published: 2026-04-28
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly identified as local loopback traffic, circumventing intended remote viewer restrictions.

Frequently asked questions

What is CVE-2026-41403?: OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly identified as local loopback traffic, circumventing intended remote viewer restrictions.
How severe is CVE-2026-41403?: CVE-2026-41403 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-41403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41403?: CVE-2026-41403 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41403?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41403 have an EU (EUVD) identifier?: Yes. CVE-2026-41403 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26110.
When was CVE-2026-41403 published?: CVE-2026-41403 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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