CVE-2026-49995Tautulli: Stored Cross-Site Scripting (XSS) in the newsletter
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to 2.17.2, the newsletter cron field stored in the newsletters table is inserted by data/interfaces/default/newsletter_config.html into a JavaScript string without safe JSON encoding. An administrator or caller with the Tautulli API key can store a crafted cron value, and an administrator who later opens the newsletter configuration modal passively triggers script execution in the Tautulli web context. The stored value persists in the database and can continue to execute after credential rotation until it is removed. This issue is fixed in version 2.17.2.
- CVSS
- 4.8 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Sep 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Tautulli Tautulli tautulli:tautulli (from the name) | before 2.17.2 | CNA record |
References
- https://github.com/Tautulli/Tautulli/security/advisories/GHSA-r6pg-vqxj-v75jx-refsource-confirm
- https://github.com/Tautulli/Tautulli/commit/12761b2d01e78f22e54e8ad8d3133931147cbb77x-refsource-misc
- https://github.com/Tautulli/Tautulli/releases/tag/v2.17.2x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.