In a new urgent call, Plex urges its users to update their systems without delay. This injunction follows the detection of security flaws in Plex Media Server and Plex Desktop, which could have serious consequences. Find out why this update is crucial for the security of your data and how Plex ensures its users take this threat seriously.
Key Takeaways
- Plex has discovered several security vulnerabilities and strongly encourages its users to update their systems immediately.
- Patches are available for Plex Media Server and Plex Desktop, but few technical details have been shared so far.
- More than 364,000 hosts exposing Plex Media Server have been identified, highlighting the importance of this update to limit potential risks.
Imagine for a moment that you are comfortably settled at home, enjoying your media library thanks to Plex, when you receive an alert message from the publisher. This message informs you that vulnerabilities have been detected in the software you use daily. Plex, concerned about the security of its users, asks you to download the necessary patches without delay. Ignoring this alert means risking your personal data being compromised. Fortunately, Plex has already prepared the necessary updates, so you don’t have to worry.
Plex warns its users after discovering security flaws
Recently, Plex made a proactive decision by directly contacting its users to warn them of the urgent need to update their installations. This alert comes after the discovery of significant security flaws in Plex Media Server and Plex Desktop. Although Plex has not yet released technical details about these vulnerabilities, the company has nevertheless taken immediate steps to protect its users.
Crucial updates are now available under versions 1.43.3 for Plex Media Server and 1.115.0 for Plex Desktop. Plex also specified that it has requested CVE identifiers for these vulnerabilities and plans to share more information as soon as they are assigned.
More than 364,000 exposed hosts are concerned
According to Censys analyses, there are more than 364,000 hosts exposing a Plex Media Server service on the Internet. This figure, although it does not take into account the installed versions, highlights the potential scale of the threat and the need for affected users to react quickly.
Plex has also taken additional measures to encourage updating, including sending email alerts to users. On some systems, such as NAS, Plex recommends manually installing the new version if the package manager does not yet offer it.
Previous incidents that encourage vigilance
This is not the first time Plex has faced such a situation. In August 2025, the company had already directly contacted users for a critical vulnerability, later identified under the number CVE-2025-34158, which allowed a potential attacker to retrieve the server owner’s authentication token. This precedent reminds users of the importance of not neglecting security updates.
Plex’s security strategy for its users
Plex’s rapid response to these flaws demonstrates a proactive approach to security. The company is committed to protecting its users, even when technical details remain unclear. This strategy includes direct and clear communication, as well as rigorous monitoring of updates across different platforms and operating systems.
The importance of cybersecurity in multimedia software
In a world where cyberattacks are increasingly frequent, cybersecurity in multimedia software is crucial. Companies like Plex must continually evaluate and improve their security protocols to counter potential threats. Users, on their part, must remain vigilant and regularly update their systems to protect against vulnerabilities.
FAQ on recent Plex updates
Why is it urgent to update Plex Media Server and Plex Desktop?
Plex has discovered security flaws that could compromise your data. The updates fix these vulnerabilities, thus protecting you from potential attacks.
What versions should be installed to be protected?
To secure your installations, make sure to update Plex Media Server to version 1.43.3 and Plex Desktop to version 1.115.0.
What if my package manager does not display the new version?
If the new version is not available through your package manager, it is recommended to download and manually install the update from the official Plex website.
Are all Plex installations vulnerable?
No, not all installations are necessarily vulnerable. However, it is advised to update your software to minimize any potential risk.





