How severe is CVE-2026-43575?

CVE-2026-43575 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-43575 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-43575?

CVE-2026-43575 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-43575?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-43575 have an EU (EUVD) identifier?

Yes. CVE-2026-43575 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28163.

When was CVE-2026-43575 published?

CVE-2026-43575 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-43575

CVE-2026-43575 is a critical-severity vulnerability in Openclaw with a CVSS 3.x base score of 9.8. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.2
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28163
Weakness: CWE-862
Affected product: Openclaw
Published: 2026-05-06
Last modified: 2026-06-17

Description

OpenClaw versions 2026.2.21 before 2026.4.10 contain an authentication bypass vulnerability in the sandbox noVNC helper route that exposes interactive browser session credentials. Attackers can access the noVNC helper route without bridge authentication to gain unauthorized access to the interactive browser session.

Frequently asked questions

What is CVE-2026-43575?: OpenClaw versions 2026.2.21 before 2026.4.10 contain an authentication bypass vulnerability in the sandbox noVNC helper route that exposes interactive browser session credentials. Attackers can access the noVNC helper route without bridge authentication to gain unauthorized access to the interactive browser session.
How severe is CVE-2026-43575?: CVE-2026-43575 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-43575 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-43575?: CVE-2026-43575 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43575?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-43575 have an EU (EUVD) identifier?: Yes. CVE-2026-43575 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28163.
When was CVE-2026-43575 published?: CVE-2026-43575 was published on 2026-05-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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