CVE-2026-2896
Published: 22 February 2026
Summary
CVE-2026-2896 is a high-severity Incorrect Privilege Assignment (CWE-266) vulnerability in Funadmin Funadmin. Its CVSS base score is 7.3 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 14.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Documented procedures facilitate correct implementation and ongoing management of authorization decisions.
Periodic reviews identify and correct flaws in authorization decisions or enforcement.
Specifying access authorizations for each account and requiring approvals for account requests enforces proper authorization decisions.
The control requires explicit definition of separated access authorizations, making incorrect privilege assignments that bundle conflicting duties harder to implement.
Ensures privileges are assigned only as necessary rather than incorrectly over-granted.
The control's documentation requirement reduces improper authorization by ensuring only mission-justified actions bypass authentication.
Establishing permitted attributes and values, plus auditing changes, ensures authorization decisions are based on correctly managed policy data.
Explicitly mandates authorizing remote access types before permitting connections, directly mitigating improper authorization.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Improper authorization flaw in publicly accessible web app (Ajax config handler) with no-auth remote exploit directly enables T1190 Exploit Public-Facing Application.
NVD Description
A weakness has been identified in funadmin up to 7.1.0-rc4. This affects the function setConfig of the file app/backend/controller/Ajax.php of the component Configuration Handler. Executing a manipulation can lead to improper authorization. The attack can be executed remotely. The exploit…
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has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Deeper analysisAI
CVE-2026-2896 is an improper authorization vulnerability affecting funadmin versions up to 7.1.0-rc4. The issue resides in the setConfig function within the file app/backend/controller/Ajax.php, part of the Configuration Handler component. It has been assigned CWEs 266 (Incorrect Privilege Assignment) and 285 (Improper Authorization), with a CVSS v3.1 base score of 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L), indicating high severity due to its network accessibility and lack of prerequisites.
Remote attackers require no privileges or user interaction to exploit this vulnerability via manipulation of the affected function. Successful exploitation enables limited impacts, including low-level confidentiality, integrity, and availability disruptions, stemming from the improper authorization flaw.
Advisories referenced in GitHub issues (https://github.com/I4m6da/CVE/issues/3 and related) and VulDB entries (https://vuldb.com/?ctiid.347207, https://vuldb.com/?id.347207, https://vuldb.com/?submit.753972) detail the issue but report no vendor response despite early contact, implying no official patches or mitigations are available.
A public exploit exists, increasing the risk of real-world attacks against unpatched funadmin instances.
Details
- CWE(s)