CVE-2026-2076
Published: 07 February 2026
Summary
CVE-2026-2076 is a medium-severity Incorrect Privilege Assignment (CWE-266) vulnerability in Yeqifu Warehouse. Its CVSS base score is 5.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 17.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and AC-24 (Access Control Decisions).
Deeper analysis
CVE-2026-2076 is an improper authorization vulnerability affecting the yeqifu/warehouse project up to commit aaf29962ba407d22d991781de28796ee7b4670e4. The issue resides in the User Management Endpoint, specifically the addUser, updateUser, and deleteUser functions within the file dataset\repos\warehouse\src\main\java\com\yeqifu\sys\controller\UserController.java. This flaw, linked to CWE-266 (Incorrect Privilege Assignment) and CWE-285 (Improper Authorization), enables unauthorized manipulation of user operations.
The vulnerability can be exploited remotely over the network with low attack complexity and requires low privileges (PR:L), as indicated by its CVSS v3.1 base score of 6.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L). An attacker with initial low-privileged access could invoke these endpoints to achieve limited impacts on confidentiality, integrity, and availability, such as unauthorized user additions, modifications, or deletions. A public exploit is available, increasing the risk of attacks.
Advisories note that yeqifu/warehouse employs continuous delivery with rolling releases, so no specific affected or patched versions are detailed. The project was notified early via GitHub issue #53 but has not responded as of the CVE publication on 2026-02-07.
Notable context includes the public availability of the exploit, which could facilitate real-world attacks, though no evidence of active exploitation is reported. References include the project repository at https://github.com/yeqifu/warehouse/ and VulDB entries at https://vuldb.com/?ctiid.344642 and https://vuldb.com/?id.344642.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-5747
Vulnerability details
A weakness has been identified in yeqifu warehouse up to aaf29962ba407d22d991781de28796ee7b4670e4. Affected by this vulnerability is the function addUser/updateUser/deleteUser of the file dataset\repos\warehouse\src\main\java\com\yeqifu\sys\controller\UserController.java of the component User Management Endpoint. This manipulation causes improper authorization. The attack can be initiated remotely.…
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The exploit has been made available to the public and could be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Improper authorization in user management endpoints (add/update/delete) directly enables unauthorized account creation, modification, and removal, facilitating privilege escalation.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly enforces authorization checks on the addUser/updateUser/deleteUser endpoints that are missing in UserController.java.
Limits the operations a low-privilege account can perform, reducing the impact of the missing authorization checks.
Requires explicit access-control decisions to be made before permitting user-management actions.