PHP shares mitigation for new RCE vulnerability with no patch
PHP security team shares mitigation measures for new RCE vulnerability affecting systems with unusual config and code.
Intelligence analysis by Qwen 2.5 (3B)
PHP security team provides mitigation steps for a new RCE vulnerability affecting systems with specific configurations and code.
The PHP team found a way to make a bug in PHP that lets bad guys run code on your website. To fix it, you need to change some settings in your PHP code.
Analysis
{"heading":"Understanding the Vulnerability","subheading":"Configuration and Code Requirements","content":["The vulnerability, tracked as CVE-2026-115560, can only be exploited when an application sets session.serialize_handler to php_binary or php_serialize in its configuration and then switches it to php at runtime with ini_set().","Session upload progress must also be enabled for the vulnerability to be exploited."]}
Key points
- PHP security team shares mitigation measures for a new RCE vulnerability
- Vulnerability affects systems with specific configurations and code
- Mitigation steps include changing settings in PHP code
- No patch is available yet, so mitigation is crucial
- Multiple cybersecurity companies detected unsuccessful exploitation attempts
By following the mitigation steps, developers can prevent attacks even before a patch is available.
If developers don't follow the mitigation steps, attackers could still exploit the vulnerability.
