How severe is CVE-2026-43573?

CVE-2026-43573 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-43573 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-2026-43573?

CVE-2026-43573 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-43573?

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

Does CVE-2026-43573 have an EU (EUVD) identifier?

Yes. CVE-2026-43573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27297.

When was CVE-2026-43573 published?

CVE-2026-43573 was published on 2026-05-05 and last updated on 2026-06-17.

CVE-2026-43573

CVE-2026-43573 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.7. 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-918.

Key facts

Severity: High (CVSS 3.x base score 7.7)
CVSS v4: 4.9
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27297
Weakness: CWE-918
Affected product: Openclaw
Published: 2026-05-05
Last modified: 2026-06-17

Description

OpenClaw before 2026.4.10 contains a server-side request forgery policy bypass vulnerability in existing-session browser interaction routes. Attackers can bypass SSRF navigation guards to interact with or navigate to unauthorized targets without policy enforcement.

Frequently asked questions

What is CVE-2026-43573?: OpenClaw before 2026.4.10 contains a server-side request forgery policy bypass vulnerability in existing-session browser interaction routes. Attackers can bypass SSRF navigation guards to interact with or navigate to unauthorized targets without policy enforcement.
How severe is CVE-2026-43573?: CVE-2026-43573 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-43573 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-2026-43573?: CVE-2026-43573 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43573?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-43573 have an EU (EUVD) identifier?: Yes. CVE-2026-43573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27297.
When was CVE-2026-43573 published?: CVE-2026-43573 was published on 2026-05-05 and last updated on 2026-06-17.

References

Affected products (1)

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

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