CVE-2026-7262: NULL pointer dereference in SOAP apache:Map decoder with missing <value>

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-10 · updated 2026-07-24
Weakness: CWE-476

Description

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a SOAP server has a typemap configured, the decoding process contains a mistake which checks the wrong variable in case of missing value element. This leads to dereferences a NULL pointer, causing a segmentation fault. This allows a remote unauthenticated attacker to crash the PHP SOAP server process, resulting in denial of service.

Affected products

PHP: from 8.2.0 before 8.2.31; from 8.3.0 before 8.3.31; from 8.4.0 before 8.4.21; from 8.5.0 before 8.5.6 — fixed in 8.2.31, 8.3.31, 8.4.21, 8.5.6

How to fix

Upgrade to a fixed version: PHP 8.2.31, 8.3.31, 8.4.21, 8.5.6. Check the vendor advisory for mitigations.

References

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