Medium severity · published Oct 17, 2026
CVE-2026-111906
phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta CSRF in Elasticsearch/OpenSearch Admin API Index Operations
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a cross-site request forgery vulnerability in the Elasticsearch and OpenSearch administration API endpoints, which do not validate a CSRF token for the create, drop, and import actions. Attackers can lure a user with CONFIGURATION_EDIT permission to a malicious page that triggers these actions, deleting search indexes, forcing re-indexing, or exhausting resources.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
phpMyFAQ · thorsten
before 4.1.9; 4.2.0-alpha before 4.2.0-beta · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111906
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111906
github.com
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-cmvh-fpmf-8gfx
www.vulncheck.com
https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.9-and-4.2.0-alpha-before-4.2.0-beta-csrf-in-elasticsearch-opensearch-admin-api-index-operations
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