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VAULT PANDA, also tracked as UNC6588, is a China-nexus threat actor associated with rapid exploitation of newly disclosed web application vulnerabilities. The group incorporated React2Shell exploitation into active operations within 24 hours of the vulnerability's public disclosure in December 2025. React2Shell enables unauthenticated remote code execution in React Server Components and Next.js applications. VAULT PANDA's operations have included deploying implants, remote access trojans, and reconnaissance utilities across multiple victims, followed by post-exploitation activity including credential harvesting. Its rapid, systematic exploitation reflects close monitoring of vulnerability disclosures, prompt validation of exploitability, and pre-staging of tooling for deployment against vulnerable systems.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Attributed origin per open-source reporting.
2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 CVE this actor has used in observed campaigns. 1 of them exploited in the wild.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Conducted rapid exploitation activity against newly publicly disclosed vulnerabilities, with attacks observed within 24 hours of disclosure.
Rapid exploitation of newly disclosed vulnerabilities, with deliberate attacks launched within 24 hours of disclosure.
Closely monitors newly disclosed vulnerabilities and rapidly develops working exploits, including for React2Shell within a day of disclosure.
Rapidly develops working exploits for newly disclosed vulnerabilities, including React2Shell, within a day of disclosure.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.