What is CVE-2026-23837?

CVE-2026-23837 is a critical-severity vulnerability in Franklioxygen Mytube, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2026-01-19.

How severe is CVE-2026-23837?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Franklioxygen Mytube

CVE-2026-23837

MyTube is a self-hosted downloader and player for several video websites. A vulnerability present in version 1.7.65 and poetntially earlier versions allows unauthenticated users to bypass the mandatory authentication check in the roleBased…

Vulnerability class: Broken Access Control

EPSS: 0.004 (61.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Franklioxygen Mytube — versions < 1.7.66

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

https://github.com/franklioxygen/MyTube/security/advisories/GHSA-cmvj-g69f-8664 (x_refsource_CONFIRM)
https://github.com/franklioxygen/MyTube/commit/f85ae9b0d6e4a6480c6af5b675a99069d08d496e (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-23837?: CVE-2026-23837 is a critical-severity vulnerability in Franklioxygen Mytube, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2026-01-19.
How severe is CVE-2026-23837?: Critical severity. CVSS v3 base score is 9.8 out of 10.