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CVE-2026-90575

PHPGurukul Small CRM Login Success login.php unserialize deserialization

CVSS 4.0 6.3 MEDIUMCVSS 3.1 3.7 LOWCVSS 3.0 3.7 LOWCVSS 2.0 2.6 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-90575

Published

A weakness has been identified in PHPGurukul Small CRM 4.0. This impacts the function unserialize of the file /crm/login.php of the component Login Success Handler. This manipulation of the argument geopluginURL causes deserialization. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is said to be difficult. The exploit has been made available to the public and could be used for attacks.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90575

Published

Small CRM

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "PHPGurukul",
                    "product": "Small CRM",
                    "versions": [
                        {
                            "version": "4.0",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:phpgurukul:small_crm:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Login Success Handler"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON