CVE-2026-9486

MEDIUM 5.3 PoC AVAILABLE

Published 2026-05-25 · Last modified 2026-05-26

A security flaw has been discovered in SourceCodester Student Grades Management System 1.0. This affects an unknown part. The manipulation results in cross-site request forgery. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 9th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

5.3CVSS 4.0 · MEDIUM

ConfidentialityNone
IntegrityLow
AvailabilityNone

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
⚠User interaction: Succeeds with passive user activity
✓Complexity: No special conditions — reliably repeatable
✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

PoC https://github.com/Jack-MRJ/Student-Grades-Management-System-Vulnerability-Report

Listed for defensive triage and patch prioritization.

Affected

Vendors Sourcecodester

Products Student Grades Management System

Weakness (CWE)

CWE-352: Cross-site request forgery (CSRF)
CWE-862: Missing authorization

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

References

Sources: NVD · CVE.org · EPSS