What is the CVSS score of CVE-2026-2158?

CVE-2026-2158 has a CVSS 3.1 base score of 7.3 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2026-2158?

Yes, a public proof-of-concept exploit is available for CVE-2026-2158. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-2158?

Within 24 hours: Isolate the affected Student Web Portal from production or restrict network access to trusted IPs only; establish 24/7 monitoring for exploitation attempts on /check_user.php. Within 7 days: Deploy WAF rules to block suspicious requests to /check_user.php; conduct forensic audit of access logs for evidence of compromise. Within 30 days: Contact vendor for patch timeline; develop migration plan to alternative portal solution if patch timeline exceeds 60 days.

Student Web Portal CVE-2026-2158

HIGH

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

2026-02-08 cna@vuldb.com

PHP SQLi Student Web Portal Carmelo

7.3

CVSS 3.1 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Craft malicious SQL payload in Username parameter
Exploit

Send request to /check_user.php
Execution

Inject SQL commands into database query
Impact

Extract sensitive data or modify records

Vulnerability Assessment

Weakness	CWE CWE-74 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Input neutralization, injection prevention
Exploitation Conditions	code-projects Student Web Portal 1.0 with /check_user.php endpoint accessible. No special conditions — remote unauthenticated SQL injection against default installations.
Impact	CVSS 7.3 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitable via remote/network. Public exploit/POC available.
Exploit ScenarioDerived	A remote attacker could exploit this flaw, sql injection.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.0% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 12, 2026

SQL injection in the Student Web Portal 1.0 /check_user.php endpoint allows unauthenticated remote attackers to manipulate the Username parameter and execute arbitrary database queries. The vulnerability enables attackers to read, modify, or delete sensitive data with public exploit code readily available. This affects PHP-based installations of the Student Web Portal with no patch currently available.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 7.3

A vulnerability was detected in code-projects Student Web Portal 1.0. This impacts an unknown function of the file /check_user.php. [CVSS 7.3 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Affects Student Web Portal. A vulnerability was detected in code-projects Student Web Portal 1.0. This impacts an unknown function of the file /check_user.php. Performing a manipulation of the argument Username results in sql injection. It is possible to initiate the attack remotely.

Know when Student Web Portal gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.3 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

PoC Detected

Feb 11, 2026 - 18:44 vuln.today

Public exploit code

CVE Published

Feb 08, 2026 - 15:15 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was detected in code-projects Student Web Portal 1.0. This impacts an unknown function of the file /check_user.php. Performing a manipulation of the argument Username results in sql injection. It is possible to initiate the attack remotely.

Executive ViewAI

Why It Matters

A high-severity vulnerability in the Student Web Portal authentication system (CVE-2026-2158) could allow unauthorized access to student records and portal functionality. With active exploits circulating and no patch available, immediate protective measures are critical to prevent data breach and regulatory exposure.

Business Impact: High

Compensating Controls

Implement Web Application Firewall (WAF) rules to filter malicious requests to /check_user.php; restrict network access to the portal via IP whitelisting; disable the affected authentication function if alternate authentication methods exist; enable enhanced logging and real-time alerting for authentication failures; conduct daily access log reviews; consider temporary take-offline of non-critical portal features until patched.

Threat Intelligence Overview

EPSS Score

0.0%

Top 87% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.