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TI-2026-27776 Aliases CVE-2026-35675GHSA-w9xh-5f39-vq89

phpMyFAQ - Authentication Bypass via Missing Password Reset Token in /api/user/password/update

Priority HIGH 77CWE-307Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-307 and CWE-359.

Summary

phpMyFAQ before 4.1.3 contains an authentication bypass vulnerability in the password reset endpoint that allows unauthenticated attackers to reset any user account password without token verification or email confirmation. Attackers can enumerate valid usernames, obtain plaintext passwords via email, and achieve complete account takeover including administrative access.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00417 36th percentileScored 2026-11-07
Fix Fixed phpMyFAQ (thorsten): 4.1.3thorsten/phpmyfaq (Packagist): 4.1.3+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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

VendorProductAffected versionsFixed inStatusSource
thorstenphpMyFAQbefore 4.1.34.1.3Patch availableCNA
—thorsten/phpmyfaq (Packagist)before 4.1.34.1.3Patch availableGHSA-w9xh-5f39-vq89
—phpmyfaq/phpmyfaq (Packagist)before 4.1.34.1.3Patch availableGHSA-w9xh-5f39-vq89
  • phpMyFAQ Vendorthorsten Affected before 4.1.3 Fixed in 4.1.3 Patch available CNA
  • thorsten/phpmyfaq (Packagist) Vendor— Affected before 4.1.3 Fixed in 4.1.3 Patch available GHSA-w9xh-5f39-vq89
  • phpmyfaq/phpmyfaq (Packagist) Vendor— Affected before 4.1.3 Fixed in 4.1.3 Patch available GHSA-w9xh-5f39-vq89

CPE names Threatist (inferred) · 1

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

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

Remediation

  • Fix · CNA phpMyFAQ (thorsten) Fixed in 4.1.3
  • Fix · GHSA-w9xh-5f39-vq89 thorsten/phpmyfaq (Packagist) Fixed in 4.1.3 Advisory →
  • Fix · GHSA-w9xh-5f39-vq89 phpmyfaq/phpmyfaq (Packagist) Fixed in 4.1.3 Advisory →

Fixed in the same release

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

  • Release ·

    thorsten phpMyFAQ 4.1.3

    4 records Highest priority Priority HIGH 4 HIGH

    Other records, highest priority first

    • TI-2026-27777 phpMyFAQ - Unauthenticated Password Reset via User Password Update EndpointPriority HIGH 77
    • TI-2026-27773 phpMyFAQ - Authentication Bypass via Empty API TokenPriority HIGH 77
    • TI-2026-27772 phpMyFAQ - Insecure Direct Object Reference in User Password APIPriority HIGH 73

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-35675
  2. 2026-10-03 Alias added: GHSA-w9xh-5f39-vq89

References

  • 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