CVE-2026-123991 · Package
NO FIX YET · SEE WHAT TO DO
DataEase up to 2.10.27 has a flaw in its authentication filter: a file-type whitelist check lets a crafted upload request skip authentication. An attacker can upload arbitrary files to the server remotely, and a public exploit exists.
first public Nov 7, 2026 · 1 source
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DataEase deployments up to and including 2.10.27 that accept network traffic. The flaw is in the authentication filter's suffix whitelist on the standalone static-resource upload endpoint, so any internet-reachable instance is exposed. Instances already on 2.10.28 or later are not affected.
Not affected if version-2.10.28-or-later
Who cares dataease, file-upload, self-hosted
2.10.27 and older.2.10.28.A vulnerability was detected in DataEase up to 2.10.27. Affected by this vulnerability is the function WhitelistUtils.endsWithAny of the file WhitelistUtils.java of the component Authentication Filter. Performing a manipulation of the argument File results in unrestricted upload. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.10.28 addresses this issue. It is advisable to upgrade the affected component. The vendor confirms: "This issue has been addressed by enforcing authentication on the standalone static-resource upload endpoint independently of the URI suffix whitelist."
This page as .md · .json · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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