Critical

PHP Warns of Another Unpatched RCE Two Days After Emergency PHP2Shell Patches

The Hacker News

October 23, 2026 at 11:25 AM

Overview

PHP has issued a warning about a new unpatched remote code execution vulnerability, identified as CVE-2026-115560, just two days after releasing emergency fixes for the PHP2Shell security flaws. This new issue specifically impacts web applications that are configured in an atypical manner, which PHP considers to be a low-risk scenario. However, the PHP team has opted not to release an emergency patch for this vulnerability. Instead, they recommend disabling a specific feature to mitigate potential risks. Even though the threat may seem limited, it raises concerns for web developers relying on PHP, as any configuration oversight could expose their applications to exploitation.

Key Takeaways

Affected Systems: PHP web applications configured in an unusual way, particularly those using the affected feature.
Action Required: Turn off the specific feature associated with the vulnerability as advised by PHP.
Timeline: Newly disclosed

Original Article Summary

PHP has warned of another way an attacker could run code on a web server, two days after it shipped emergency fixes for the critical PHP2Shell flaws. The new issue, assigned CVE-2026-115560, affects only web applications configured in an unusual way, and PHP considers it an unlikely risk.The project is not issuing an emergency fix for it. Instead, it recommends turning off a feature called

Impact

PHP web applications configured in an unusual way, particularly those using the affected feature.

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Newly disclosed

Remediation

Turn off the specific feature associated with the vulnerability as advised by PHP.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Vulnerability, Patch, and 2 more.

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