CVE-2026-31831

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

HIGH
7.5
CVSS Score
Published: March 30, 2026 at 07:42 PM UTC
Updated: June 17, 2026 at 10:34 AM UTC
1 product affected across 1 vendorTautulli

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.17.0
Affected range stops below 2.17.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_CONFIRMExploitVendor Advisory
Source: cverecord
https://github.com/Tautulli/Tautulli/security/advisories/GHSA-xp55-2pf4-fv8m
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/Tautulli/Tautulli/releases/tag/v2.17.0

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-23

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