Plex2Shell, Plex Media Server four-CVE chain (CVE-2026-96652 / -96654 / -96655 / -96656)
Fixed: 1.43.3.10861 (August 2026). PoC 16 Oct.
- Disclosed
What happened
- Fixed: 1.43.3.10861 (August 2026). PoC 16 Oct. Exploited 17 Oct. Plex said on 19 Oct that exploitation was “active and wide”.
- KEV: 20 Oct 2026, confirmed on cisa.gov. Payloads: XMRig and a proxy backdoor.
Live scores
Live scores
CVE-2026-96652- EPSS
- 0.018
some chance of attack soon - VEDAS
- 0.967
strong exploit evidence - On CISA KEV
- Yes, since 2026-10-20
- Detection rule
- None yet
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.
Live scores
CVE-2026-96654- EPSS
- 0.019
some chance of attack soon - VEDAS
- 0.516
some exploit evidence - On CISA KEV
- Yes, since 2026-10-20
- Detection rule
- None yet
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.
Live scores
CVE-2026-96655- EPSS
- 0.016
some chance of attack soon - VEDAS
- 0.986
strong exploit evidence - On CISA KEV
- Yes, since 2026-10-20
- Detection rule
- Suricata
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.
Live scores
CVE-2026-96656- EPSS
- 0.018
some chance of attack soon - VEDAS
- 0.985
strong exploit evidence - On CISA KEV
- Yes, since 2026-10-20
- Detection rule
- Suricata
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish. The vertical line is the day CISA added it to its exploited list.
Sources
- https://www.cisa.gov/news-events/alerts/2026/10/20/cisa-adds-six-known-exploited-vulnerabilities-catalog
- https://thehackernews.com/2026/10/hackers-exploit-plex2shell-flaws-to.html
This is a brief: a short, sourced summary from our incident tracking. Full advisories add commands to check whether you are affected.