There isn't an easy exploit for this PHP vulnerability

What it claims

The author of eliastaylor.com argues that a PHP vulnerability disclosed around 21 October 2026 is a real bug but not a mass-exploitation event like Log4Shell. The post was written about 10 hours after disclosure. At that point, the author says, no public exploit worked against an unmodified PHP server. One circulating repository name ties the bug to CVE-2026-109618 and CVE-2026-109619. The post itself never names a CVE directly. The author suggests that exploitation requires chaining a use-after-free (UAF), which is hard to do. By contrast, Log4Shell, Heartbleed, Shellshock and the Ruby on Rails YAML bug each fit in a single request or header and had botnets using them almost at once.

Evidence

The author's case is an argument, not a lab report. No test results, PHP versions or configurations are published. The author names three GitHub "PoC" repositories as examples of exploits that do not work as advertised:

• https://github.com/david-alvarez-rosa/php-rce
• https://github.com/eness/php2shell-CVE-2026-109618-CVE-2026-109619-PoC
• https://github.com/ikow/php2shell-poc

The author makes two specific charges against these PoCs:

• They need a local-file-inclusion (LFI) flaw. Most of them require the target to already run something like eval(read(filename_provided_by_user)). The author calls this an "insane pre-requisite", since a server with that flaw is already compromised.
• They change the target. Some LLM-generated PoCs edit the test server to add a severe vulnerability, then report success against it.

The author explains the early alarm with four causes:

• A PHP core team member predicted that "exploits will start appearing 15 minutes after the patch drops".
• PHP has a general reputation for insecurity.
• The exploit video was widely shared.
• There is broad fear about LLM-driven exploitation.

How to use it

The post gives one way to check any PoC yourself:

1. Stand up a vanilla PHP server that you believe is vulnerable, in Docker.
2. Run the PoC script by hand, not through an LLM agent.
3. Check whether it needs an LFI endpoint or any change to the server to succeed.

The author's claim is that the PoCs fail at step 2 unless the condition in step 3 is met.

Limits

• The post is an opinion piece from early in the disclosure window, about 10 hours in.
• It does not argue against patching. The author says the bug "really does matter."
• It does not name the affected PHP versions or the vulnerable component, and it does not describe the patch.
• Its claim of "no working exploit" applies to public PoCs at the time of writing. A working chain may have appeared since.
• The wider argument is the author's view: shared LLM defaults create "Decision Schelling Points" that make many people's judgements identical.