CVE-2026-7261CWE-416

SoapServer session-persisted object use-after-free via SOAP header fault

Medium · published May 10, 2026

CVSS v4.0
6.3
EPSS
1%
Percentile
44.0
In the wild
Unconfirmed
What it is

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 SoapServer is configured with SOAP_PERSISTENCE_SESSION, the handler object is persisted across requests via session storage. However, in the case SOAP requests results in an error, the persistance is handled incorrectly, resulting in freeing the object while keeping a pointer to it, which may lead to use-after-free. This may lead to memory corruption, information disclosure, or process crashes, with confidentiality, integrity, and availability impact on the vulnerable system.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/S:P/AU:Y/RE:M/U:Amber
EPSS
0.00531 · 44.0th percentile
Weakness
CWE-416 · Use After Free
Published
2026-05-10T04:07Z
EPSS history
Timeline
  • 10 MAY 04:07Z
    SoapServer session-persisted object use-after-free via SOAP header fault
    cvelistv5