Checked fact 256523 Oct 2026Safety and security

Wiz describes the OPcache bug this way: "OPcache persists compiled PHP structures in shared memory and assigns indices into per-worker runtime-pointer maps." It says it "used this primitive to build an unauthenticated RCE chain against WordPress".

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The exact words it rests on

OPcache persists compiled PHP structures in shared memory and assigns indices into per-worker runtime-pointer maps. ... We used this primitive to build an unauthenticated RCE chain against WordPress.

What the source said when we opened it, on 23 Oct 2026.

The source

PHP2Shell: AI uncovers critical RCE vulnerabilities affecting 70% of the Internet
Wiz · 2026-10-21

Open the source archived copy

Checked

Checked by the notis newsroom on 23 Oct 2026, against the source above.

In the story

PHP patches two critical remote code execution flaws 23 Oct 2026

Cite this fact

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In a sentence

“Wiz describes the OPcache bug this way: "OPcache persists compiled PHP structures in shared memory and assigns indices into per-worker runtime-pointer maps." It says it "used this primitive to build an unauthenticated RCE chain against WordPress".” ai notis, checked 23 Oct 2026. Source: PHP2Shell: AI uncovers critical RCE vulnerabilities affecting 70% of the Internet (Wiz). https://ainotis.com/c/2565

As a reference (APA style)

ai notis. (2026, October 23). Wiz describes the OPcache bug this way: "OPcache persists compiled PHP structures in shared memory and assigns indices into per-worker runtime-pointer maps." It says it "used this primitive to build an unauthenticated RCE chain against WordPress" [Checked claim 2565]. ai notis. https://ainotis.com/c/2565

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