CVE-2026-59509 Unauthenticated arbitrary MongoDB collection read in cve-search
Unauthenticated attackers can read arbitrary MongoDB collections, exposing admin credentials and enabling account takeover in cve-search.
- 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-2026-59509?
CVE-2026-59509 is a critical vulnerability in cve-search, published on 5 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated improper input validation vulnerability in the POST /fetch_cve_data endpoint in cve-search. A remote attacker can manipulate request parameters controlling the MongoDB collection, projected fields, and regular-expression filters to read arbitrary application MongoDB collections. This can expose administrative usernames and password hashes from the mgmt_users collection, enabling offline password cracking and potential administrative account compromise.
Weakness: CWE-20
Which versions are affected by CVE-2026-59509?
How do I fix CVE-2026-59509?
No fix has been published for CVE-2026-59509 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-59509 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-59509 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-3fmp-59v6-4qw2.