Which versions of PHP are affected by CVE-2026-2896?

Funadmin versions 7.1.0 and earlier contain an authorization bypass vulnerability (CVE-2026-2896) with a HIGH severity rating that is actively exploited in the wild.

Is there a public PoC exploit available for CVE-2026-2896?

Yes, a public proof-of-concept exploit is available for CVE-2026-2896. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-2896?

Within 24 hours: Identify all Funadmin instances running version 7.1.0 or earlier and isolate them from production networks if possible; implement emergency access controls and monitor for suspicious activity. Within 7 days: Evaluate upgrade feasibility to version 7.1.1 or later when available; if upgrade is not immediately possible, deploy network-level compensating controls (WAF rules blocking exploitation patterns, IP whitelisting, VPN-only access). Within 30 days: Complete full upgrade of all affected Funadmin instances to patched versions and conduct security audit of administrative access logs for compromise indicators.

PHP CVE-2026-2896

Q: What is the CVSS score of CVE-2026-2896?

CVE-2026-2896 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: 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. EPSS exploitation probability: 0.0%.

MEDIUM

Incorrect Privilege Assignment (CWE-266)

2026-02-22 cna@vuldb.com

GHSA-5m2g-4cf6-c3rg

PHP Information Disclosure

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

PoC Detected

Feb 24, 2026 - 16:38 vuln.today

Public exploit code

CVE Published

Feb 22, 2026 - 00:15 nvd

HIGH 7.3

DescriptionCVE.org

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 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.

AnalysisAI

Funadmin versions up to 7.1.0 contains a vulnerability that allows attackers to improper authorization (CVSS 7.3).

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send crafted request to setConfig function

Exploit

Bypass authorization checks in Configuration Handler

Execution

Modify application configuration parameters

Impact

Gain unauthorized access to system features

Access

Send crafted request to setConfig function

Exploit

Bypass authorization checks in Configuration Handler

Execution

Modify application configuration parameters

Impact

Gain unauthorized access to system features

Vulnerability AssessmentAI

Exploitation	Funadmin version up to 7.1.0-rc4 with exposed app/backend/controller/Ajax.php endpoint accessible without authentication. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.3 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker (requires authentication) could exploit this vulnerability to improper authorization.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all Funadmin instances running version 7.1.0 or earlier and isolate them from production networks if possible; implement emergency access controls and monitor for suspicious activity. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-2896 vulnerability details – vuln.today

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PHP CVE-2026-2896

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

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External POC / Exploit Code