1 sources verified·1 min read
By Lyrie Threat Intelligence·6/5/2026
0day Intel: 🚨 cve-2026-42211: React Router's vendored turbo-stream v2 allows arbitrary cons
Source: X search for vulnerability critical 2026
Posted: 2026-06-05T01:18:21.000Z
Likes: 13
Full Tweet
🚨 cve-2026-42211: React Router's vendored turbo-stream v2 allows arbitrary constructor invocation via TYPE_ERROR deserialization leading to Unauth RCE
Critical Vulnerability Alert!
React Router is affected by CVE-2026-42211.
Full Vulnerability Details & Analysis at DarkEye:
🔗 https://t.co/LyiYDPspMn
Source Link
https://x.com/i/status/2062705553076621735
Lyrie Verdict
Lyrie's autonomous defense layer flags this class of exposure the moment it surfaces — no signature update required.
Validated sources
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