What is CVE-2026-42424?

CVE-2026-42424 is a medium-severity vulnerability in Openclaw, classified under External Control of File Name or Path. CVSS score: 5.7/10. Published 2026-04-28.

How severe is CVE-2026-42424?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Openclaw

CVE-2026-42424

OpenClaw before 2026.4.8 treats shared reply MEDIA paths as trusted, allowing crafted references to trigger cross-channel local file exfiltration. Attackers can exploit this by crafting malicious shared reply MEDIA references to cause anot…

EPSS: 0.002 (7.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.8

Weakness classification (CWE)

CWE-73 — External Control of File Name or Path

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-42424?: CVE-2026-42424 is a medium-severity vulnerability in Openclaw, classified under External Control of File Name or Path. CVSS score: 5.7/10. Published 2026-04-28.
How severe is CVE-2026-42424?: Medium severity. CVSS v3 base score is 5.7 out of 10.