Which versions of PHP are affected by CVE-2026-3411?

A high-severity vulnerability in the University Management System's student update administrative function poses a significant risk to student data integrity and system availability.

Is there a public PoC exploit available for CVE-2026-3411?

Yes, a public proof-of-concept exploit is available for CVE-2026-3411. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3411?

Within 24 hours: Disable or restrict network access to /admin_single_student_update.php to only authorized administrative IP ranges; enable enhanced logging and monitoring on this endpoint. Within 7 days: Conduct a security assessment of the University Management System deployment, audit recent access logs for suspicious activity, and evaluate alternatives or upgrades to this system. Within 30 days: Either deploy a Web Application Firewall with rules blocking exploitation patterns, implement role-based access controls with multi-factor authentication for admin functions, or upgrade/replace the affected system if a vendor patch remains unavailable.

PHP CVE-2026-3411

Q: What is the CVSS score of CVE-2026-3411?

CVE-2026-3411 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

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-03-02 cna@vuldb.com

PHP SQLi

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

Mar 03, 2026 - 19:46 vuln.today

Public exploit code

CVE Published

Mar 02, 2026 - 05:16 nvd

HIGH 7.3

DescriptionCVE.org

A security vulnerability has been detected in itsourcecode University Management System 1.0. Affected by this issue is some unknown functionality of the file /admin_single_student_update.php. The manipulation of the argument ID leads to sql injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

AnalysisAI

SQL injection in itsourcecode University Management System 1.0 via the ID parameter in /admin_single_student_update.php allows unauthenticated remote attackers to manipulate database queries and potentially extract or modify sensitive student records. Public exploit code exists for this vulnerability, and no patch is currently available, leaving affected institutions at immediate risk.

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Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Access /admin_single_student_update.php endpoint

Exploit

Inject SQL payload in ID parameter

Execution

Execute arbitrary database queries

Impact

Extract or modify sensitive student records

Access

Access /admin_single_student_update.php endpoint

Exploit

Inject SQL payload in ID parameter

Execution

Execute arbitrary database queries

Impact

Extract or modify sensitive student records

Vulnerability AssessmentAI

Exploitation	No special conditions — remote unauthenticated SQL injection via ID parameter in itsourcecode University Management System 1.0 /admin_single_student_update.php accessible without authentication. 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 flaw, sql injection.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Disable or restrict network access to /admin_single_student_update.php to only authorized administrative IP ranges; enable enhanced logging and monitoring on this endpoint. …

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

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CVE-2026-3411 vulnerability details – vuln.today

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PHP CVE-2026-3411

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