CVE-2026-123095— mpv 0.29.0 before 0.42.0 Playlist Entry Injection via ytdl_hook Newlines

Quick assessment

Affected

mpv-player mpv

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.

mpv 0.29.0 至 0.42.0 之前的版本中，捆绑的脚本存在播放列表注入漏洞。该漏洞允许远程攻击者通过在播放列表 URL 中嵌入换行符，添加未经检查的条目。若攻击者能够控制信息源（feed）或网页，即可绕过安全检查，进而打开或类型的输入，读取本地文件，或通过 LADSPA 加载共享对象以执行任意代码。

CVSS 7.5 · High Updated Nov 05, 2026

Possible ATT&CK Techniques 2 AI

T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution

Affected Version Matrix 1

Vendor	Product	Version Range	Status
mpv-player	mpv	`0.29.0< 0.42.0`	affected

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Vulnerability Information

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Vulnerability Title

mpv 0.29.0 before 0.42.0 Playlist Entry Injection via ytdl_hook Newlines

Source: CVE Program / CVE List V5

Vulnerability Description

mpv 0.29.0 before 0.42.0 contains a playlist injection vulnerability in the bundled ytdl_hook script that allows remote attackers to add unchecked entries by embedding newlines in playlist URLs. Attackers controlling a feed or page can bypass url_is_safe() to open file:// or av:// inputs, reading local files or loading shared objects via ladspa for code execution.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

对CRLF序列的转义处理不恰当(CRLF注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
mpv-player	mpv	0.29.0 ~ 0.42.0	-

II. Public POCs for CVE-2026-123095

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-123095

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Other References for CVE-2026-123095 (7)

https://github.com/mpv-player/mpv/blob/v0.41.0/player/lua/ytdl_hook.lua#L244-L251 technical-description
https://github.com/mpv-player/mpv product
https://github.com/mpv-player/mpv/pull/18762 issue-tracking patch
https://github.com/mpv-player/mpv/blob/v0.41.0/player/lua/ytdl_hook.lua#L1115-L1137 technical-description
https://github.com/mpv-player/mpv/commit/c3096515dcd26c14004f985538b5aa41db613856 patch
https://github.com/mpv-player/mpv/releases/tag/v0.42.0 release-notes
https://www.vulncheck.com/advisories/mpv-0.29.0-before-0.42.0-playlist-entry-injection-via-ytdl-hook-newlines third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-123095

IV. Related Vulnerabilities

Same weakness: CWE-93