Home

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 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.

PUBLISHED Reserved 2026-04-28 | Published 2026-05-10 | Updated 2026-05-10 | Assigner php




MEDIUM: 6.3CVSS: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

Problem types

CWE-416 Use after free

Product status

Default status
affected

8.2.* (semver) before 8.2.31
affected

8.3.* (semver) before 8.3.31
affected

8.4.* (semver) before 8.4.21
affected

8.5.* (semver) before 8.5.6
affected

Credits

Ilia Alshanetsky reporter

Ilija Tovilo remediation developer

References

github.com/...hp-src/security/advisories/GHSA-m33r-qmcv-p97q vendor-advisory

cve.org (CVE-2026-7261)

nvd.nist.gov (CVE-2026-7261)

Download JSON