Security · Updated 21 Oct, 02:26 am IST
PHP warns of two critical RCE flaws, emergency patches due October 21

Why it matters for readers: This shows how serious security leaks can force emergency fixes for widely used software.
- PHP plans to release security updates on Wednesday, October 21 at 14:00 UTC to address two critical vulnerabilities.1
- Both vulnerabilities are rated 9.2 under CVSS v4.0 and are reported to be remote code execution (RCE) flaws.1
- The PHP team warned they may release fixes earlier if details leak or evidence of active exploitation appears.1
- Security researchers at watchTowr reported the two leaked RCE vulnerabilities are tracked as CVE-2026-109618 and CVE-2026-109619.1
- PHP developers have not disclosed technical details, affected versions, or which releases will contain the fixes.1
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