Plex Media Server URL injection
Affects Plex Media Server before 1.43.3.10861, where the bundled TheTVDB agent is the attack path. No vendor severity rating is given. Fixed in 1.43.3.10861.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 1.43.3.10861
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: active
- Automatable: yes
- Technical impact: partial
Summary
Plex Media Server, a application for organizing and streaming personal media libraries, is affected by this vulnerability. An attacker could abuse improperly handled URL input to call functions in other plugins and pass in their own parameters.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: active · Automatable: yes · Technical impact: partial
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- Record last updated
- CISA remediation deadline
Due date for US federal agencies to patch
Affected versions
- Plex Media Server
fixed in 1.43.3.10861
References 4
cve.org
forums.plex.tv
raw.githubusercontent.com
zmain.info
Questions about CVE-2026-96654
What does this mean?
A URL injection flaw in the bundled TheTVDB agent's GetResultFromNetwork function can let an attacker obtain an owner admin token from the server. That token would allow full admin control and code execution as the plex user.Source: zmain.info
Am I affected, and how do I check?
Plex Media Server versions before 1.43.3.10861 are in range. The attack chain depends on the bundled TheTVDB agent plugin used for fetching TV show metadata, so compare the installed server version against 1.43.3.10861 to check.Source: zmain.info
What should I do about it?
Upgrade Plex Media Server to 1.43.3.10861 or later, which is the listed fixed version.Source: zmain.info
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2026-10-20, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data