CVE-2026-31831

Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to version 2.17.0, the /newsletter/image/images API endpoint is vulnerable to path traversal, allowing unauthenticated attackers to read arbitrary files from the application server's filesystem. This issue has been patched in version 2.17.0.

CVSS v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

1.97% chance of exploitation in the next 30 days, 79th percentile

Nuclei

high · CWE-22

Published

2026-03-30

Updated

2026-03-31

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-31831.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2026-31829
• CVE-2026-31842
• CVE-2026-31817
• CVE-2026-31844
• CVE-2026-31816
• CVE-2026-3185