Which versions of PHP are affected by CVE-2026-2983?

A high-severity vulnerability in the Student Result Management System's bulk user import feature could allow unauthorized users to manipulate student records and administrative data.

Is there a public PoC exploit available for CVE-2026-2983?

Yes, a public proof-of-concept exploit is available for CVE-2026-2983. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-2983?

Within 24 hours: Immediately disable or restrict access to the /admin/core/import_users.php file to trusted administrators only; audit recent import activity for unauthorized changes. Within 7 days: Implement network segmentation to isolate the application; conduct a full security assessment of the import functionality and related data modifications. Within 30 days: Identify alternative student management solutions or request emergency patches from SourceCodester; deploy additional input validation and access controls; perform a comprehensive audit of all imported user accounts and student records.

PHP CVE-2026-2983

Q: What is the CVSS score of CVE-2026-2983?

CVE-2026-2983 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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. EPSS exploitation probability: 0.0%.

MEDIUM

Incorrect Privilege Assignment (CWE-266)

2026-02-23 cna@vuldb.com

PHP Information Disclosure

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 24, 2026 - 18:32 vuln.today

Public exploit code

CVE Published

Feb 23, 2026 - 10:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was determined in SourceCodester Student Result Management System 1.0. The impacted element is an unknown function of the file /admin/core/import_users.php of the component Bulk Import. This manipulation of the argument File causes improper access controls. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

SourceCodester Student Result Management System 1.0 contains improper access controls in the bulk user import functionality that allows unauthenticated remote attackers to manipulate file parameters and gain unauthorized access. Public exploit code exists for this vulnerability, though no patch is currently available. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send HTTP request to /admin/core/import_users.php

Exploit

Manipulate File parameter in bulk import

Execution

Bypass access controls

Impact

Read/modify sensitive student data

Access

Send HTTP request to /admin/core/import_users.php

Exploit

Manipulate File parameter in bulk import

Execution

Bypass access controls

Impact

Read/modify sensitive student data

Vulnerability AssessmentAI

Exploitation	SourceCodester Student Result Management System 1.0 with /admin/core/import_users.php endpoint accessible and bulk import feature enabled. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.3 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker (requires authentication) could exploit this vulnerability to compromise the affected system.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Immediately disable or restrict access to the /admin/core/import_users.php file to trusted administrators only; audit recent import activity for unauthorized changes. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-2983 vulnerability details – vuln.today

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PHP CVE-2026-2983

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

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External POC / Exploit Code