CVE-2026-43530

CVE-2026-43530 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 8.8. 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-863.

Key facts

Description

OpenClaw versions 2026.2.23 before 2026.4.12 contain a weakened exec approval binding vulnerability in busybox and toybox applet execution that allows attackers to obscure which applet would actually run. Attackers can exploit opaque multi-call binaries to bypass exec approval mechanisms and weaken risk classification of unsafe applet invocations.

Frequently asked questions

What is CVE-2026-43530?
OpenClaw versions 2026.2.23 before 2026.4.12 contain a weakened exec approval binding vulnerability in busybox and toybox applet execution that allows attackers to obscure which applet would actually run. Attackers can exploit opaque multi-call binaries to bypass exec approval mechanisms and weaken risk classification of unsafe applet invocations.
How severe is CVE-2026-43530?
CVE-2026-43530 has a CVSS 3.x base score of 8.8, 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 high, and availability high.
Is CVE-2026-43530 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-43530?
CVE-2026-43530 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43530?
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-2026-43530 have an EU (EUVD) identifier?
Yes. CVE-2026-43530 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27271.
When was CVE-2026-43530 published?
CVE-2026-43530 was published on 2026-05-05 and last updated on 2026-06-17.

References

Affected products (1)

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