CVE-2023-41266 — A path traversal vulnerability found in Qlik Sense Enterprise for Windows for ve

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 a

01What is this vulnerability?

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…

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-12-07. Ransomware use: Known.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-29T23:15:09.380
• Last modified: 2026-08-05T05:16:40.290
• Added to CISA KEV: 2023-12-07

09References

• community.qlik.com — https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-…
• community.qlik.com — https://community.qlik.com/t5/Release-Notes/tkb-p/ReleaseNotes
• community.qlik.com — https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-…
• community.qlik.com — https://community.qlik.com/t5/Release-Notes/tkb-p/ReleaseNotes
• www.cisa.gov — https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-…