---
id: "CVE-2023-41266"
kind: "vulnerability"
aliases: ["CVE-2023-41266"]
title: "A path traversal vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier,\u2026"
severity: "high"
cvss: 8.2
epss: null
exploited: true
status: "open"
category: "other"
products: [{"name": "Qlik Sense", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "qlik sense", "fixed": [], "affected": "= august_2022", "ecosystem": "vendor"}, {"name": "qlik sense", "fixed": [], "affected": "= february_2023", "ecosystem": "vendor"}, {"name": "qlik sense", "fixed": [], "affected": "= may_2023", "ecosystem": "vendor"}, {"name": "qlik sense", "fixed": [], "affected": "= november_2022", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "other", "qlik-sense", "ransomware", "self-hosted"]
not_affected_if: ["unknown"]
published_at: "2023-08-29T23:15:09+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:04+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-41266", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-41266", "first_seen_at": "2026-10-23T22:29:04+00:00"}]
---

# A path traversal vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier,…

Qlik Sense has a path traversal flaw that lets a remote, unauthenticated attacker create an anonymous session with crafted HTTP requests. That session can then reach endpoints that should be restricted to authorized users.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Qlik Sense affected ? fixed ?
- vendor:qlik sense affected = august_2022 fixed ?
- vendor:qlik sense affected = february_2023 fixed ?
- vendor:qlik sense affected = may_2023 fixed ?
- vendor:qlik sense affected = november_2022 fixed ?

## Fix

Apply the vendor remediation or mitigation for CVE-2023-41266 per Qlik's instructions, or stop using the product if no fix is available (per CISA KEV required action).

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-41266
- 2026-10-23T22:29:04+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2023-41266

## From the sources

A path traversal vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier, February 2023 Patch 7 and earlier, November 2022 Patch 10 and earlier, and August 2022 Patch 12 and earlier allows an unauthenticated remote attacker to generate an anonymous session. This allows them to transmit HTTP requests to unauthorized endpoints. This is fixed in August 2023 IR, May 2023 Patch 4, February 2023 Patch 8, November 2022 Patch 11, and August 2022 Patch 13.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_