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  4. CVE 2026 45381 tautulli reflected xss in search endpoint
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Back to active CVEs
Medium · CVSS 5.1CVE-2026-45381

Tautulli: Reflected XSS in `/search` endpointCVE-2026-45381

Answer in brief

CVE-2026-45381 records a Medium severity (CVSS 5.1) vulnerability in Tautulli: Reflected XSS in `/search` endpoint. The current sources do not mark it as known exploited. The current feed maps Tautulli/Tautulli (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 21, 2026Updated Sep 29, 2026Source checked Nov 5, 2026First seen by HOL Sep 21, 2026Material review Sep 29, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 5.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Tautulli/Tautulli (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Tautulli/Tautulligeneric<2.17.22.17.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Tautulli/Tautulli.
  2. 2Review the reported fix. Update Tautulli/Tautulli to 2.17.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 21, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to 2.17.2, the /search endpoint inserts its user-controlled query parameter into a JavaScript string in data/interfaces/default/search.html using manual escaping that handles quotes and slashes but not backslashes. A backslash-quote sequence can terminate the string, so an unauthenticated attacker can send a crafted link that executes script in the Tautulli web context when an authenticated user follows it. This issue is fixed in version 2.17.2.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Altair: DOM-based XSS via attacker-controlled script URLs in the iframe sandboxAlso CWE-79
  • Kubeflow Pipelines: Reflected XSS in the frontend pod information and events error responsesAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Nov 5, 2026
References
3 linked sources
Open source record