CVE-2026-59509: 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 M
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-59509
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-595090.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59509 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for An unauthenticated improper
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-57028: An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Junipe…nvd · 2026-07-09
- highCVE-2026-57026: An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Ju…nvd · 2026-07-09
- mediumCVE-2026-57020: An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding…nvd · 2026-07-09
- mediumCVE-2026-57019: An Improper Validation of Specified Quantity in Input vulnerability in the Packet Forwarding E…nvd · 2026-07-09
- mediumCVE-2026-33803: An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Junipe…nvd · 2026-07-09
- highCVE-2026-31309: Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node before v1.36.0…nvd · 2026-07-08
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