← Vulnerability feed

Vulnerability record · CVE-2026-35672 · published 28 May 2026

CVE-2026-35672: Insecure default initialization vulnerability

phpMyFAQ before 4.1.3 contains an authentication bypass vulnerability in API v4.0 where the default empty api.apiClientToken allows unauthenticated users to create and modify FAQ entries. Attackers can send an empty x-pmf-token header to bypass token validation and inject malicious content via POST endpoints /api/v4.0/faq/create, /api/v4.0/category, and /api/v4.0/question.

8.7 CVSS 4.0 High EPSS 0.56% · top 55.9% CWE-1188 · Insecure default initialization Deferred
8.7CVSS 4.0 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

phpMyFAQ before 4.1.3 contains an authentication bypass vulnerability in API v4.0 where the default empty api.apiClientToken allows unauthenticated users to create and modify FAQ entries. Attackers can send an empty x-pmf-token header to bypass token validation and inject malicious content via POST endpoints /api/v4.0/faq/create, /api/v4.0/category, and /api/v4.0/question.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/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:

References

LinkTags
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-gp95-j463-vv28
https://www.vulncheck.com/advisories/phpmyfaq-authentication-bypass-via-empty-api-token
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-gp95-j463-vv28

Track CVE-2026-35672 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.3CVE-2025-48927TeleMessage Spring Boot Actuator heap dump endpoint exposed by insecure defaultTeleMessage through 2025-05-05 ships with Spring Boot Actuator configured to expose the /heapdump endpoint. Because this is an insecure default initi…KEVEPSS 11%analysed9.8CVE-2023-27524Apache Superset default SECRET_KEY allows session forgery and auth bypassApache Superset versions up to and including 2.0.1 ship with a default SECRET_KEY that, if left unchanged, lets an attacker forge signed session cook…KEVEPSS 97%analysed9.8CVE-2023-6448Unitronics VisiLogic default admin password in Vision and Samba PLCs/HMIsUnitronics VisiLogic before 9.9.00, used with Vision and Samba PLCs and HMIs, ships with a default administrative password. Because the credential is…KEVEPSS 2.1%analysed9.8CVE-2022-24706Apache CouchDB default install allows unauthenticated admin accessApache CouchDB before 3.2.2 ships with an insecure default initialization that lets an unauthenticated attacker reach an improperly secured installat…KEVEPSS 93%analysed9.8CVE-2020-13927Apache Airflow Experimental API missing authentication by defaultAirflow's Experimental API defaulted to allowing all requests without authentication, so any reachable instance exposed its API to unauthenticated ca…KEVEPSS 100%analysed

Source: NIST National Vulnerability Database (record CVE-2026-35672), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.