React2Shell Vulnerability Actively Exploited to Deploy Linux Backdoors
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-29927 | Middleware Authorization Bypass in Vercel Next.js (CVE-2025-29927) | 9.1 | 99% | PoC ×4 | |
| CVE-2025-55182 | Unauthenticated RCE in React Server Components (React2Shell) | 10.0 | 100% | KEVRansomwarePoC ×13 | KEV |
| CVE-2025-66478 | Rejected reason: This CVE is a duplicate of CVE-2025-55182 | — | — |
From the original article
5 min read at thehackernews.com
The security vulnerability known as React2Shell is being exploited by threat actors to deliver malware families like KSwapDoor and ZnDoor, according to findings from Palo Alto Networks Unit 42 and NTT Security. "KSwapDoor is a professionally engineered remote access tool designed with stealth in mind," Justin Moore, senior manager of threat intel research at Palo Alto Networks Unit 42, said in a statement.
By @TheHackersNews · thehackernews.com
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