CVE•Published 2026-08-11•Modified 2026-09-16•1 article on news•5 live references•NVD data
CVE-2026-18690Mongodb · Mongodb
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS percentile
18
Exploit Prediction Scoring System · top 82% of all CVEs
Weaknesses (CWE)
Description
An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization.
Timeline
Published 2026-08-11
Modified 2026-09-16
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag13,230 hosts
vuln:CVE-2026-18690Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Mongodb Mongodb"All exposed Mongodb Mongodb instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Mongodb"HTTP body or banner mentions "Mongodb" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-18690Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-18690Censys host search filtered to this CVE id.
grep.app
CVE-2026-18690Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-18690GitHub code search for direct mentions.
Google dork
"CVE-2026-18690" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.