CVE-2026-42424: OpenClaw < 2026.4.8 - Local File Exfiltration via Shared Reply MEDIA Paths

Severity: medium (CVSS 5.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-28 · updated 2026-06-17
Weakness: CWE-73

Description

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.

Affected products

OpenClaw: before 2026.4.8 — fixed in 2026.4.8

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.8. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5
https://github.com/openclaw/openclaw/security/advisories/GHSA-qqq7-4hxc-x63c
https://www.vulncheck.com/advisories/openclaw-local-file-exfiltration-via-shared-reply-media-paths

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