DataEase up to 2.10.27 Authentication Filter WhitelistUtils.java WhitelistUtils.endsWithAny file unrestricted upload

Summaryinfo

A vulnerability, which was classified as critical, was found in DataEase up to 2.10.27. Affected by this issue is the function WhitelistUtils.endsWithAny of the file WhitelistUtils.java of the component Authentication Filter. Executing a manipulation of the argument File can lead to unrestricted upload. This vulnerability is registered as CVE-2026-123991. It is possible to launch the attack remotely. Furthermore, an exploit is available. You should 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."

Detailsinfo

A vulnerability was found in DataEase up to 2.10.27. It has been declared as critical. This vulnerability affects the function WhitelistUtils.endsWithAny of the file WhitelistUtils.java of the component Authentication Filter. The manipulation of the argument file with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the upload or transfer of dangerous file types that are automatically processed within its environment. As an impact it is known to affect confidentiality, integrity, and availability.

This vulnerability was named CVE-2026-123991. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vendor confirms: "This issue has been addressed by enforcing authentication on the standalone static-resource upload endpoint independently of the URI suffix whitelist."

Upgrading to version 2.10.28 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Name

• DataEase

Version

• 2.10.0
• 2.10.1
• 2.10.2
• 2.10.3
• 2.10.4
• 2.10.5
• 2.10.6
• 2.10.7
• 2.10.8
• 2.10.9
• 2.10.10
• 2.10.11
• 2.10.12
• 2.10.13
• 2.10.14
• 2.10.15
• 2.10.16
• 2.10.17
• 2.10.18
• 2.10.19
• 2.10.20
• 2.10.21
• 2.10.22
• 2.10.23
• 2.10.24
• 2.10.25
• 2.10.26
• 2.10.27

CPE 2.3info

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CPE 2.2info

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Accepted

• Submit #1035491: FIT2CLOUD DataEase (open-source BI platform; vulnerable classes in the in-repo `sdk/common` auth filter and `core/core-backend` static-resource server, bundled into the community distribution) audited at released build 2.10.26, commit `0a9eaf6af890bbc91eb (by lucasg2g)

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