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
Attackers can trick admins into deleting search indexes or exhausting resources via CSRF in Elasticsearch/OpenSearch admin endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111906?
CVE-2026-111906 is a high-severity vulnerability in thorsten phpMyFAQ, published on 17 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-352
Which versions are affected by CVE-2026-111906?
How do I fix CVE-2026-111906?
No fix has been published for CVE-2026-111906 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-111906 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111906 exists.
Sources
Also known as GHSA-4qjm-33q6-wmgj, GHSA-cmvh-fpmf-8gfx.