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CVE-2026-33735— MyTube has an Improper Access Control that Allows Complete Application Takeover

Quick assessment

Affected
franklioxygen MyTube
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MyTube是Peifan Li个人开发者的一个视频自托管下载器和播放器。 MyTube 1.8.69之前版本存在安全漏洞，该漏洞源于/api/settings/import-database端点存在授权绕过，可能导致低权限攻击者上传并替换应用程序的SQLite数据库，从而完全控制应用程序。

AI Predicted 9.8 Difficulty: Moderate EPSS 0.39% · P32
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I. Basic Information for CVE-2026-33735

Vulnerability Information
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Vulnerability Title
MyTube has an Improper Access Control that Allows Complete Application Takeover
Source: CVE Program / CVE List V5
Vulnerability Description
MyTube is a self-hosted downloader and player for several video websites Prior to version 1.8.69, an authorization bypass in the `/api/settings/import-database` endpoint allows attackers with low-privilege credentials to upload and replace the application's SQLite database entirely, leading to a full compromise of the application. The bypass is relevant for other POST routes as well. Version 1.8.69 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
MyTube 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MyTube是Peifan Li个人开发者的一个视频自托管下载器和播放器。 MyTube 1.8.69之前版本存在安全漏洞，该漏洞源于/api/settings/import-database端点存在授权绕过，可能导致低权限攻击者上传并替换应用程序的SQLite数据库，从而完全控制应用程序。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
franklioxygen MyTube < 1.8.69 -

II. Public POCs for CVE-2026-33735

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III. Intelligence Information for CVE-2026-33735

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Patches & Fixes for CVE-2026-33735 (1)

Vendor Advisories for CVE-2026-33735 (1)

Other References for CVE-2026-33735 (1)

Same Patch Batch · franklioxygen · 2026-03-27 · 3 CVEs total

CVE-2026-33935 MyTube has Unauthenticated Account Lockout via Shared Login Attempt State
CVE-2026-33890 MyTube has an Unauthenticated Admin Privilege Escalation via Passkey Registration

IV. Related Vulnerabilities

Same product: MyTube
Same vendor: franklioxygen
Same weakness: CWE-285

V. Comments for CVE-2026-33735

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