Path Traversal Authentication Bypass in Qlik Sense Enterprise for Windows
CVE-2023-41266 is a path traversal vulnerability in Qlik Sense Enterprise for Windows. According to the provided content, the Qlik proxy permits unauthenticated access to request paths beginning with /resources/qmc/fonts/ and ending in .ttf. Because the proxy does not properly normalize the request path before applying this allowlist logic, an attacker can use traversal sequences such as ../../../ to escape the intended font directory and reach internal REST endpoints. This flaw allows an unauthenticated remote attacker to generate an anonymous session and send HTTP requests to endpoints that should require authentication. Praetorian’s analysis indicates the issue can be used as an authentication bypass on its own and can also be chained with CVE-2023-41265 to reach unauthenticated remote code execution against Qlik Sense Enterprise for Windows.
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Exploits
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
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Affected products & vendors
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Recent activity
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in Qlik Sense exploited by Cactus ransomware for initial access.
A specific Qlik Sense vulnerability cited as being exploited by the Cactus ransomware group for initial access.
A specific vulnerability affecting Qlik Sense Enterprise for Windows referenced in a vendor advisory and linked to reporting about exploitation.
A specific vulnerability affecting Qlik Sense Enterprise for Windows that is referenced in vendor advisories and linked to reporting on exploitation.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.