CVE-2026-21484 AnythingLLM Vulnerable to Username Enumeration w/ Password Recovery
Attackers can enumerate valid usernames via inconsistent error messages in the password recovery endpoint of AnythingLLM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21484?
CVE-2026-21484 is a medium-severity vulnerability in Mintplexlabs Anythingllm, published on 3 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to commit e287fab56089cf8fcea9ba579a3ecdeca0daa313, the password recovery endpoint returns different error messages depending on whether a username exists, so enabling username enumeration. Commit e287fab56089cf8fcea9ba579a3ecdeca0daa313 fixes this issue.
Which versions are affected by CVE-2026-21484?
It affects 1 product.
Products include Mintplexlabs Anythingllm.
How do I fix CVE-2026-21484?
No fix has been published for CVE-2026-21484 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21484 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21484 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Mintplexlabs Anythingllm
- CVE-2024-3025 Path Traversal in mintplex-labs/anything-llm
- CVE-2024-0455 SSRF on AWS deployed instances of AnythingLLM via /metadata
- CVE-2026-32626 AnythingLLM has a Streaming Phase XSS to RCE via LLM Response Injection
- CVE-2024-3104 Remote Code Execution in mintplex-labs/anything-llm
- CVE-2024-3149 SSRF in mintplex-labs/anything-llm
Sources
Also known as GHSA-47vr-w3vm-69ch.