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CVE-2026-40605— Tautulli Vulnerable to Authenticated Path Traversal in Cache Deletion API

Quick assessment

Affected
Tautulli Tautulli
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tautulli是Tautulli开源的一款用于监控Plex Media Server（媒体服务器）的应用程序。 Tautulli 2.17.1之前版本存在安全漏洞，该漏洞源于缓存删除端点存在路径遍历问题，可能导致经过身份验证的API访问删除配置缓存路径外的目录。

AI Predicted 7.5 Difficulty: Easy EPSS 0.45% · P37

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
Tautulli Tautulli < 2.17.1 affected
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I. Basic Information for CVE-2026-40605

Vulnerability Information
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Vulnerability Title
Tautulli Vulnerable to Authenticated Path Traversal in Cache Deletion API
Source: CVE Program / CVE List V5
Vulnerability Description
Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to version 2.17.1, a path traversal vulnerability in the cache deletion endpoint allows authenticated API access to delete directories outside the configured cache path. This can cause arbitrary data loss and service disruption. Version 2.17.1 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Tautulli 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tautulli是Tautulli开源的一款用于监控Plex Media Server（媒体服务器）的应用程序。 Tautulli 2.17.1之前版本存在安全漏洞，该漏洞源于缓存删除端点存在路径遍历问题，可能导致经过身份验证的API访问删除配置缓存路径外的目录。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tautulli Tautulli < 2.17.1 -

II. Public POCs for CVE-2026-40605

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III. Intelligence Information for CVE-2026-40605

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Vendor Advisories for CVE-2026-40605 (1)

Vendor Pages for CVE-2026-40605 (1)

Same Patch Batch · Tautulli · 2026-06-04 · 5 CVEs total

CVE-2026-43986 9.9 CRITICAL Tautulli vulnerable to unauthenticated SSRF in /image/<hash> via attacker-seeded image has
CVE-2026-43984 8.9 HIGH Tautulli has stored XSS in logFile via guest-controlled log_js_errors input
CVE-2026-43985 8.8 HIGH Taultulli has CSRF in /configUpdate via missing anti-CSRF and method restriction that allo
CVE-2026-41065 Tautulli Vulnerable to Unauthenticated/Authenticated Remote Code Execution via Newsletter

IV. Related Vulnerabilities

Same product: Tautulli
Same vendor: Tautulli
Same weakness: CWE-22

V. Comments for CVE-2026-40605

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