TI-2026-80201 Aliases CVE-2026-116183 GHSA-hpmh-2f7x-mv5g

Authorization bypass in phpMyFAQ lets attackers modify visitor questions

MEDIUM 43CWE-639Published 2026-10-25 · Updated 2026-10-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

phpMyFAQ before 4.1.10 contains an object-level authorization bypass that lets unauthenticated attackers modify or delete visitor questions by supplying an arbitrary openQuestionID to the POST /api/faq/create endpoint. The flaw is classified as CWE-639, authorization bypass through a user-controlled key. An unauthenticated remote attacker who solves the CAPTCHA can rewrite question categories, forge answered entries in the question history, or permanently delete questions when records.enableDeleteQuestion is enabled.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

phpMyFAQ before 4.1.10 contains an object-level authorization bypass vulnerability that allows unauthenticated attackers to modify or delete any visitor question by supplying an arbitrary openQuestionID to POST /api/faq/create. Attackers solving the CAPTCHA can rewrite question categories, forge answered entries in faqquestion_history, or permanently delete questions when records.enableDeleteQuestion is enabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00242 15th percentileScored 2026-11-07

Fix Fixed phpMyFAQ (thorsten): 4.1.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
thorsten	phpMyFAQ	before 4.1.10	4.1.10	Patch available	CNA

phpMyFAQ Vendorthorsten Affected before 4.1.10 Fixed in 4.1.10 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:phpmyfaq:phpmyfaq::::::::	—	—	thorsten

cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:* Versions — — ·thorsten

Remediation

Upgrade phpMyFAQ to version 4.1.10 or later, which fixes the issue. The sources list no fixed version for other releases.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA phpMyFAQ (thorsten) Fixed in 4.1.10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-10-25
thorsten phpMyFAQ 4.1.10
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2026-80200 Server-side request forgery in phpMyFAQ PDF export image fetchingPriority MEDIUM 57
Show all 2 records →

Timeline

2026-10-25 Threatist record created from CVE-2026-116183
2026-10-26 CISA SSVC decision points changed
2026-10-27 Alias added: GHSA-hpmh-2f7x-mv5g

References

Advisory 1

GitHub Security Advisory (GHSA-9m55-g84r-x6v7)

TI-2023-00296 Improper Authentication in thorsten/phpmyfaq CVSS 3.1CRITICAL 9.8
TI-2026-76118 Authentication bypass in phpMyFAQ via WebAuthn credential injection CVSS 4.0CRITICAL 9.3
TI-2026-32868 phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint CVSS 4.0CRITICAL 9.3
TI-2026-76108 Unauthenticated denial of service in phpMyFAQ API pagination CVSS 4.0HIGH 8.7
TI-2026-53313 phpMyFAQ 3.1.0 through 4.1.6 Authentication Bypass via LDAP CVSS 4.0HIGH 8.8
TI-2026-34083 phpMyFAQ - Unauthenticated Information Disclosure via getIdFromSolutionId Permission Bypass CVSS 4.0HIGH 8.7

See all 224 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences