Cyber Resilience

CVE-2026-35672

HighPublic PoC

Published: 28 May 2026

Published
28 May 2026
Modified
28 May 2026
KEV Added
Patch
CVSS Score v4 8.7 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:X/V:X/RE:X/U:X
EPSS Score 0.0038 30.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-35672 is a high-severity Initialization of a Resource with an Insecure Default (CWE-1188) vulnerability. Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 30.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

via POST endpoints /api/v4.0/faq/create, /api/v4.0/category, and /api/v4.0/question.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Auth bypass on public API endpoints directly enables exploitation of a public-facing web application to create/modify content without authentication.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-27662Shared CWE-1188
CVE-2026-32965Shared CWE-1188
CVE-2026-31957Shared CWE-1188
CVE-2026-33376Shared CWE-1188
CVE-2025-69970Shared CWE-1188
CVE-2026-30805Shared CWE-1188
CVE-2025-56332Shared CWE-1188
CVE-2026-43581Shared CWE-1188
CVE-2026-44109Shared CWE-1188
CVE-2025-25271Shared CWE-1188

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

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.

addresses: CWE-1188

Requires documented secure initialization practices and avoidance of insecure defaults in configuration baselines.

addresses: CWE-1188

Reviewing and updating baseline when components are installed or upgraded prevents initialization with insecure defaults.

addresses: CWE-1188

Requiring explicit configuration to minimal functionality overrides insecure defaults that would otherwise enable excess capabilities.

addresses: CWE-1188

Tailoring replaces or augments insecure default initializations with system-specific values and compensating controls before deployment.

addresses: CWE-1188

Central configuration overrides or replaces insecure default initializations that would otherwise be left unchanged on each system.

addresses: CWE-1188

SCRM practices during acquisition and configuration management address insecure default initializations shipped by vendors.

addresses: CWE-1188

Scans detect resources initialized with insecure defaults that create exploitable conditions.

addresses: CWE-1188

Instruction on secure initialization of security controls prevents leaving resources with insecure defaults after installation.

References