Is CVE-2026-43582 in the CISA KEV catalog?

No. CVE-2026-43582 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-43582?

CVE-2026-43582 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2026-43582?

CVE-2026-43582 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-43582?

Upgrade openclaw to 2026.4.10 or later.

CVE & CISA-KEV Catalog

CVE-2026-43582

MEDIUM

6.3

CVSS v3

NVD

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.

CWE-367TOCTOU Race Condition

How to fix

Remediation Available

openclawNVD

Affected:< 2026.4.10Fixed in:2026.4.10CVE-2026-43582derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Third-Party Advisory1

vulncheck.com

Related Vulnerabilities

Other CWE-367 (TOCTOU Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-36980	High	8.1	83%	-	Fix
CVE-2024-30088	High	7.0	68%	KEV + Ransom	Fix
CVE-2004-0594	Medium	5.1	55%	-	Fix
CVE-2024-50379	Critical	9.8	44%	-	Fix
CVE-2023-38146	High	8.8	39%	-	Fix
CVE-2024-0132	Critical	9.0	37%	-	Fix

Embed a live status badge for CVE-2026-43582

Markdown

[![CVE-2026-43582](https://tridentstack.com/cve/badge/CVE-2026-43582.svg)](https://tridentstack.com/cve/CVE-2026-43582)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-43582"><img src="https://tridentstack.com/cve/badge/CVE-2026-43582.svg" alt="CVE-2026-43582"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-07.