Vulnerability · Published Sep 13, 2026 · Assigned by VulDB
CVE-2026-90575PHPGurukul Small CRM Login Success login.php unserialize deserialization
Low 3.7
In plain English
A low-severity unsafe deserialization in Small CRM from PHPGurukul. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PHPGurukul | Small CRM | 4.0 |
Weakness: CWE-502, CWE-20 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-403160 | PHPGurukul Small CRM Login Success login.php unserialize deserialization vdb-entry, technical-description
- VDB-403160 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-90575 | CVE Analysis and Report third-party-advisory
- Submit #913188 | PHPGurukul Small CRM 4.0 Code Injection third-party-advisory
- https://github.com/JdExploit/small-crm-login-unserialize exploit
- https://phpgurukul.com/ product