Two critical unpatched PHP vulnerabilities put websites worldwide at risk
Two critical PHP vulnerabilities, known as PHP2Shell, were rated 9.2 out of 10 on the CVSS 4.0 scale by the PHP security team, dated October 20. The flaws, registered according to media as CVE-2026-109618 and CVE-2026-109619, would allow remote code execution on a server. Patches are expected on October 21 at 14:00 UTC and would reach supported branches, from PHP 8.2. According to Mallory, about 884,000 servers use PHP 8.1 or earlier.
In 35 seconds
- PHP rated both flaws 9.2 out of 10 on CVSS 4.0 on October 20
- Exploitation would allow remote code execution, credential theft or backdoors
- Patches would arrive on October 21 at 14:00 UTC for branches from PHP 8.2
IASummary generated by artificial intelligence from a story by RedesZone. It may contain errors: the original source prevails.




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