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PHP CVE-2026-57677

| EUVDEUVD-2026-41287 CRITICAL
Deserialization of Untrusted Data (CWE-502)
2026-07-02 Patchstack GHSA-w8wf-v3vp-wj3x
9.8
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (Patchstack) · only source for this CVE.

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 02, 2026 - 12:03 vuln.today
CVE Published
Jul 02, 2026 - 11:15 cve.org
CRITICAL 9.8

DescriptionCVE.org

Unauthenticated PHP Object Injection in Novalnet Payment Gateway for WooCommerce <= 12.10.3 versions.

AnalysisAI

Unauthenticated PHP Object Injection in the Novalnet Payment Gateway for WooCommerce WordPress plugin (versions 12.10.3 and earlier) lets remote attackers submit crafted serialized objects that the plugin deserializes, per CVSS enabling full compromise of confidentiality, integrity, and availability. The flaw is network-reachable without authentication or user interaction and carries a critical 9.8 CVSS score. No public exploit has been identified at time of analysis, and it is not listed in CISA KEV.

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CVE-2026-57677 vulnerability details – vuln.today

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