What’s Vulnerable › Vulnerabilities

CVE-2026-21484: AnythingLLM Vulnerable to Username Enumeration w/ Password Recovery

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-03 · updated 2026-06-17
• Weakness: CWE-203

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.

Affected products

• Mintplexlabs Anythingllm: before 1.10.0 — fixed in 1.10.0

How to fix

Upgrade to a fixed version: Mintplexlabs Anythingllm 1.10.0. Check the vendor advisory for mitigations.

References

• https://github.com/Mintplex-Labs/anything-llm/commit/e287fab56089cf8fcea9ba579a3ecdeca0daa313
• https://github.com/Mintplex-Labs/anything-llm/security/advisories/GHSA-47vr-w3vm-69ch

Get alerted when CVE-2026-21484 or the next vulnerability affects your stack