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PHP CVE-2026-5266

| EUVDEUVD-2026-29157 LOW
Information Exposure (CWE-200)
2026-05-11 wikimedia-foundation GHSA-vmww-wfjj-w6p8
2.3
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.3 LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Patch available
May 11, 2026 - 18:17 EUVD
CVE Published
May 11, 2026 - 16:55 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo.

This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php.

This issue affects Echo: from * before 1.43.7, 1.44.4, 1.45.2.

Analysis

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo.

This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php.

This issue affects Echo: from * before 1.43.7, 1.44.4, 1.45.2.

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CVE-2026-5266 vulnerability details – vuln.today

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