IINA up to 1.4.2 URL argument injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in IINA up to 1.4.2. Affected by this vulnerability is an unknown functionality of the component URL Handler. Performing a manipulation results in argument injection. This vulnerability is cataloged as CVE-2026-47114. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in IINA up to 1.4.2. This affects an unknown functionality of the component URL Handler. The manipulation with an unknown input leads to a argument injection vulnerability. CWE is classifying the issue as CWE-88. The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IINA before 1.4.3 contains a user-assisted command execution vulnerability that allows remote attackers to execute arbitrary commands by supplying malicious mpv_-prefixed query parameters through the iina://open custom URL scheme handler. Attackers can deliver a crafted URL via a browser that passes unvalidated mpv_options/input-commands parameters into the mpv runtime, causing arbitrary command execution as the current macOS user upon approval of the browser protocol prompt without requiring a valid media file.

The weakness was shared by stackpointer. It is possible to read the advisory at binary.stackpointer.re. This vulnerability is uniquely identified as CVE-2026-47114 since 05/18/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 1.4.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 1e6f43248dab9d6ae303781c790e5315cbc9fcef is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-31331). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• IINA

Version

• 1.4.0
• 1.4.1
• 1.4.2

License

• open-source

Website

• Product: https://github.com/iina/iina/

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Be aware that VulDB is the high quality source for vulnerability data.

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