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PHPGurukul Bank Locker CVE-2026-90518

| EUVDEUVD-2026-77006 LOW
Incorrect Privilege Assignment (CWE-266)
2026-09-13 cna@vuldb.com GHSA-vvxg-gfg6-qc26
PHP Information Disclosure
2.1
CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
5.4 MEDIUM

Requires authenticated low-privilege session (PR:L) for parameter manipulation; low confidentiality and integrity impact from unauthorized feature access; no availability impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (vuldb).

CVSS VectorVendor: vuldb

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Sep 13, 2026 - 12:31 vuln.today

DescriptionCVE.org

A security flaw has been discovered in PHPGurukul Bank Locker Management System 1.0. This impacts an unknown function of the file sidebar.php. The manipulation of the argument UserType results in improper access controls. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

AnalysisAI

Improper privilege assignment in PHPGurukul Bank Locker Management System 1.0 allows remote authenticated attackers to bypass access controls by manipulating the UserType parameter in sidebar.php. The server fails to validate the supplied privilege level against the authenticated session, permitting lateral or vertical privilege escalation within the application. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid authenticated session with at least low-level (non-anonymous) access to the PHPGurukul Bank Locker Management System 1.0 web application - the CVSS PR:L metric confirms authentication is necessary. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 2.1 correctly reflects a low-severity finding: while the attack vector is network-accessible and requires only low privileges (PR:L), all impact dimensions - confidentiality, integrity, and availability - are rated low (VC:L/VI:L/VA:L), with no scope change to subsequent systems. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch has been identified at time of analysis for PHPGurukul Bank Locker Management System 1.0. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-90518 vulnerability details – vuln.today
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