Auth bypass in 666ghj Mirofish
CVE-2026-7042
A flaw has been found in 666ghj MiroFish up to 0.1.2. This affects the function create_app of the file backend/app/__init__.py of the component REST API Endpoint. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.007 (49.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- 666ghj Mirofish — versions 0.1.0, 0.1.1, 0.1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/359621 (technical-description, vdb-entry)
- vuldb.com/vuln/359621/cti (signature, permissions-required)
- vuldb.com/submit/798583 (third-party-advisory)
- github.com/666ghj/MiroFish/issues/487 (issue-tracking, exploit)
- github.com/666ghj/MiroFish/ (product)
Frequently asked questions
- What is CVE-2026-7042?
- CVE-2026-7042 is a high-severity vulnerability in 666ghj Mirofish, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-04-26.
- How severe is CVE-2026-7042?
- High severity. CVSS v3 base score is 7.3 out of 10.