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CVE-2026-28678

HIGH CVSS 3.1: 8.1 EPSS 0.03%
Updated Mar 07, 2026
Payload
Parameter Value
CVSS 8.1 (HIGH)
Type CWE-311 (Missing Encryption), CWE-522 (Insufficiently Protected Credentials)
Vendor Payload
Public PoC No

DSA Study Hub is an interactive educational web application. Prior to commit d527fba, the user authentication system in server/routes/auth.js was found to be vulnerable to Insufficiently Protected Credentials. Authentication tokens (JWTs) were stored in HTTP cookies without cryptographic protection of the payload.

This issue has been patched via commit d527fba.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1