CVE-2026-56396

HighCVSS 8.8/10Last modified Jun 23, 2026

Description

phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edit_user permission can set is_superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published: Jun 21, 2026
Last modified: Jun 23, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-563979.6SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to CVE-2026-563989.0Open WebUI before 0.9.5 contains a stored cross-site scripting vulnerability in the OAuth authentication flow where the picture claim URL MI CVE-2026-563995.0Open WebUI before 0.6.27 contains a server-side request forgery vulnerability in the /api/v1/retrieval/process/web endpoint that allows auth CVE-2026-56406.3A vulnerability has been found in PHPGurukul Online Shopping Portal Project 2.1. The affected element is an unknown function of the file /ad CVE-2026-564009.6open-webui before 0.3.14 contains a cross-origin resource sharing misconfiguration allowing arbitrary origins with allow_origins=* and authe CVE-2026-564026.5NanoClaw before 2.1.17 contains a privilege escalation vulnerability in the handleApprovalsResponse function that fails to verify responder CVE-2026-564036.9libexpat before 2.8.2 has an integer overflow in storeAtts.CVE-2026-564046.9libexpat before 2.8.2 has an integer overflow in addBinding.CVE-2026-564056.9libexpat before 2.8.2 has an integer overflow in getAttributeId.CVE-2026-564066.9libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.CVE-2026-564076.9libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen.CVE-2026-564086.9libexpat before 2.8.2 has an integer overflow in copyString.