How severe is CVE-2026-43582?

CVE-2026-43582 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-43582 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-43582?

CVE-2026-43582 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-43582?

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

Does CVE-2026-43582 have an EU (EUVD) identifier?

Yes. CVE-2026-43582 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28176.

When was CVE-2026-43582 published?

CVE-2026-43582 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-43582

CVE-2026-43582 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 6.3. 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-367.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v4: 4.9
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28176
Weakness: CWE-367
Affected product: Openclaw
Published: 2026-05-06
Last modified: 2026-06-17

Description

OpenClaw before 2026.4.10 contains a server-side request forgery vulnerability in browser navigation policy that allows attackers to bypass hostname validation through DNS rebinding attacks. Attackers can exploit inconsistent hostname resolution between validation and actual network requests to pivot to internal resources via unallowlisted hostname URLs.

Frequently asked questions

What is CVE-2026-43582?: OpenClaw before 2026.4.10 contains a server-side request forgery vulnerability in browser navigation policy that allows attackers to bypass hostname validation through DNS rebinding attacks. Attackers can exploit inconsistent hostname resolution between validation and actual network requests to pivot to internal resources via unallowlisted hostname URLs.
How severe is CVE-2026-43582?: CVE-2026-43582 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-43582 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-43582?: CVE-2026-43582 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43582?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-43582 have an EU (EUVD) identifier?: Yes. CVE-2026-43582 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28176.
When was CVE-2026-43582 published?: CVE-2026-43582 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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