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PHP ships emergency patches for critical PHP2Shell RCE flaws

2026-10-21 15:56 UTC · BleepingComputer · read the source ↗ #rce#php#vulnerability
  • Engineer — Act: Two critical RCE flaws with public PoCs on GitHub mean exploitation is practical now; patch all PHP installations to the emergency-release version immediately and audit web server logs for signs of pre-patch exploitation.
  • SOC/IR — Act: Public PoCs for both CVEs make exploitation attempts imminent if not already occurring; hunt for web shell creation events and anomalous PHP process execution since PoC publication, and tune WAF/EDR rules for PHP shell upload patterns.
  • Leader — Plan: Critical RCE in a widely deployed runtime with public PoCs warrants confirming your PHP inventory and ensuring engineering prioritizes the emergency patch this week; not yet at board-briefing threshold absent confirmed mass exploitation.
  • Signals: CVE-2026-109618 — CISA KEV: not listed, EPSS n/a, public PoC on GitHub, reported by 4 collected sources · CVE-2026-109619 — CISA KEV: not listed, EPSS n/a, public PoC on GitHub, reported by 3 collected sources
This entry was curated and judged by AI (Claude) with automated enrichment (CISA KEV / EPSS / public PoC). Verify against the original source before acting. Found a bad verdict? Report it — confirmed errors go to the corrections log.