How severe is CVE-2023-41266?

CVE-2023-41266 has a CVSS score of 8.2/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2023-41266?

Affected package information for CVE-2023-41266 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2023-41266?

No fixed version has been published for CVE-2023-41266 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2023-41266 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2023-41266, including 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2023-41266?

CVE-2023-41266 has an EPSS (Exploit Prediction Scoring System) score of 94.2%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2023-41266 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2023-41266 (Qlik Sense Path Traversal Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2023-12-07. CISA required all US federal civilian agencies to remediate this vulnerability by 2023-12-28. The required action was: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This CVE has been used in known ransomware campaigns. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2023-41266?

CVE-2023-41266 is classified as Path Traversal (CWE-22). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2023-41266?

CVE-2023-41266 affects qlik qlik sense (4 versions, e.g. august_2022, february_2023, may_2023…). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2023-41266?

A Nuclei detection template exists for CVE-2023-41266, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2023-41266 published, and has it been updated?

CVE-2023-41266 was published on August 29, 2023 and was last updated on October 31, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2023-12-07 — agencies required to remediate by 2023-12-28 · Ransomware

CVE-2023-41266

HIGH

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,…

Published

Aug 29, 2023

Updated

Oct 31, 2025

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

94.2%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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.

Affected Products

1 product · 36 configurations

Application

qlik senseqlik

4 versions

august_2022february_2023may_2023november_2022

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

A path traversal vulnerability found in Qlik Sense Enterprise for Window…

arcticwolf.comAPINov 2023

A path traversal vulnerability found in Qlik Sense Enterprise for Window…

cisa.govCISADec 2023

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2023-41266 in your stack?

O3 detects CVE-2023-41266 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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