Plex: community verdicts
5 notable / known-exploited Plex CVEs the community has triaged.
Show as table
| Year published | CVEs | In CISA KEV |
|---|---|---|
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 4 | 4 |
Exploitation first, with newly exploited CVEs rising above old ones
- CVE-2026-96656HIGH 7.2KEVEPSS 2%
Plex Media Server before 1.43.3.10861 allows an admin user to write arbitrary files that may be executed on load. The preference TranscoderH264Options is appended verbatim to x264's option string on every transcode. At startup, all .so files are run without signature, execute bit, or symbol checks.
- CVE-2026-96652MED 4.3KEVEPSS 12%
Plex Media Server before 1.43.3.10861 allows SSRF via '/player/timeline'. An attacker using any X-Plex-Token value can include a full URL in the 'protocol' parameter and force the Plex server to POST to the attacker's chosen destination.
- CVE-2026-96654MED 6.5KEVEPSS 2%
Plex Media Server before 1.43.3.10861 does not correctly neutralize URL values included in 'searchOne,' allowing an attacker to call other plugins' functions and supply their own parameters.
- CVE-2026-96655MED 4.3KEVEPSS 2%
Plex Media Server before 1.43.3.10861 allows an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter.
- CVE-2020-5741HIGH 7.2KEVEPSS 73%
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.