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 another channel to read local file paths as trusted generated media.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.4.8
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-qqq7-4hxc-x63c (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-local-file-exfiltration-via-shared-reply-… (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.