Loading vulnerability…
CVE-2026-109619 is a critical remote code execution vulnerability in PHP core, reportedly assigned a CVSS v4.0 score of 9.2. Technical details, including the root cause, vulnerable functions, and authoritative affected-version range, have not been published. Reports suggest exposure across PHP 5 and later branches, but this range remains unconfirmed. The vulnerability is scheduled to be addressed in an emergency PHP security release on October 21, 2026, at 14:00 UTC. No confirmed in-the-wild exploitation or public proof of concept was reported at the time of disclosure.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
30 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
One of two embargoed PHP remote code execution vulnerabilities reportedly affecting PHP 5.4 and later, each rated CVSS v4.0 9.2. The article does not distinguish the technical mechanisms of the two flaws. A leaked screenshot shows a purported exploit tool, PHP2Shell, associated with the flaws, but does not establish public exploit-code availability or observed attacks. Official fixes are scheduled for October 21, 2026, at 14:00 UTC, potentially earlier if technical details become public or attacks begin. Only PHP 8.2 and later will receive official fixes. Disabling session upload progress and enabling strict session mode are suggested as temporary, unproven mitigations; strict session mode is ineffective when the session handler lacks the required session-ID validation.
A reported critical PHP core RCE vulnerability included in the emergency release scheduled for October 21, 2026 at 14:00 UTC. Its root cause, attack vector, preconditions, and official affected versions have not been disclosed. No public proof of concept or observed in-the-wild exploitation is reported. Pending patches, the content recommends reducing exposure, restricting access, and migrating or isolating unsupported PHP installations.
A reported critical PHP remote code execution vulnerability rated CVSS 9.2. Successful exploitation could allow an unauthenticated remote attacker to execute arbitrary code with PHP process privileges, potentially compromising applications and servers. Technical details and affected versions remain unconfirmed; claims that PHP 5.4.0 and later are affected are explicitly unverified. A security release is scheduled for October 21, 2026, after the reference date.
A PHP vulnerability mentioned alongside CVE-2026-109618 in a linked FAQ title. Its technical nature, affected versions, and remediation details are not provided.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.