Is CVE-2026-28678 actively exploited?

CVE-2026-28678 has no public evidence of in-the-wild exploitation as of 2026-03-11.

What is the CVSS score for CVE-2026-28678?

CVE-2026-28678 has a CVSS score of 8.1 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

How do I patch CVE-2026-28678?

Patch guidance is available from toxicbishop security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-28678.

Which products are affected by CVE-2026-28678?

1 product: toxicbishop dsa study hub.

Fix CVE-2026-28678 - HIGH toxicbishop dsa study hub

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-311 CWE-522 · Insufficiently Protected Credentials CWE-522 · Insufficiently Protected Credentials

Metadata

Primary Vendor: TOXICBISHOP
Published: 3/7/2026
Last Modified: 3/11/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-28678

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary