What is the CVSS score of CVE-2026-23542?

CVE-2026-23542 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of ThemeGoods Grand Restaurant are affected by CVE-2026-23542?

A critical remote code execution vulnerability (CVE-2026-23542) affecting ThemeGoods Grand Restaurant software poses an immediate risk to any deployed instances.

How to fix or mitigate CVE-2026-23542?

Within 24 hours: Inventory all systems running ThemeGoods Grand Restaurant and isolate affected instances from production networks if possible; disable public internet access to the application. Within 7 days: Deploy WAF rules blocking malicious serialized payloads; implement network segmentation to restrict application access to trusted sources only; monitor logs for exploitation attempts. Within 30 days: Work with ThemeGoods for patch availability; prepare migration plan to alternative solutions if patch timeline is unacceptable; conduct forensic review for breach indicators.

ThemeGoods Grand Restaurant CVE-2026-23542

CRITICAL

Deserialization of Untrusted Data (CWE-502)

2026-02-19 audit@patchstack.com

Deserialization

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:03 vuln.today

CVE Published

Feb 19, 2026 - 09:16 nvd

CRITICAL 9.8

DescriptionCVE.org

Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Restaurant grandrestaurant allows Object Injection.This issue affects Grand Restaurant: from n/a through <= 7.0.10.