What is CVE-2026-57744?

CVE-2026-57744 is a critical-severity vulnerability in Stmcan Rt-theme 18 | Extensions, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-07-13.

How severe is CVE-2026-57744?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Stmcan Rt-theme 18 | Extensions

CVE-2026-57744

Deserialization of Untrusted Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Object Injection.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Stmcan Rt-theme 18 | Extensions — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-57744?: CVE-2026-57744 is a critical-severity vulnerability in Stmcan Rt-theme 18 | Extensions, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-07-13.
How severe is CVE-2026-57744?: Critical severity. CVSS v3 base score is 9.8 out of 10.