CVE-2026-31831

HIGH NUCLEI

Tautulli: Unauthenticated Path Traversal in `/newsletter/image/images` endpoint

Title source: cna
STIX 2.1

Exploitation Summary

CVE-2026-31831 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

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.

Nuclei Templates (1)

Tautulli <= 2.16.1 - Path Traversal
HIGHVERIFIEDby WRG-11
Shodan: http.title:"Tautulli"

References (2)

Core 2
Core References

Scores

CVSS v3 7.5
EPSS 0.0159
EPSS Percentile 73.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-23
Status published
Products (2)
tautulli/tautulli < 2.17.0
Tautulli/Tautulli < 2.17.0
Published Mar 30, 2026
Tracked Since Mar 31, 2026