How severe is CVE-2026-41398?

CVE-2026-41398 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-41398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41398?

CVE-2026-41398 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41398?

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

Does CVE-2026-41398 have an EU (EUVD) identifier?

Yes. CVE-2026-41398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26106.

When was CVE-2026-41398 published?

CVE-2026-41398 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-41398

CVE-2026-41398 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 4.6. 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-346.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v4: 2.1
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26106
Weakness: CWE-346
Affected product: Openclaw
Published: 2026-04-28
Last modified: 2026-06-17

Description

OpenClaw before 2026.4.2 contains an improper access control vulnerability in the iOS A2UI bridge that treats generic local-network pages as trusted origins. Attackers can inject unauthorized agent.request runs by loading attacker-controlled pages from local-network or tailnet hosts, polluting session state and consuming budget.

Frequently asked questions

What is CVE-2026-41398?: OpenClaw before 2026.4.2 contains an improper access control vulnerability in the iOS A2UI bridge that treats generic local-network pages as trusted origins. Attackers can inject unauthorized agent.request runs by loading attacker-controlled pages from local-network or tailnet hosts, polluting session state and consuming budget.
How severe is CVE-2026-41398?: CVE-2026-41398 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-41398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41398?: CVE-2026-41398 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41398 have an EU (EUVD) identifier?: Yes. CVE-2026-41398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26106.
When was CVE-2026-41398 published?: CVE-2026-41398 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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