CVE•Published 2026-06-09•Modified 2026-07-23•0 articles on news•5 live references•NVD data
CVE-2026-9742Mongodb · Mongodb
Vulnerability data via NVD (ingested)
CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
27
Exploit Prediction Scoring System · top 73% of all CVEs
Weaknesses (CWE)
Description
When OIDC authentication is enabled in configuration, clients may set specific values in the "mechanism" parameter of the "authenticate" command that lead to server crash. The authenticate command is accessible to unauthenticated clients, leading to pre-auth denial-of-service in affected product configurations.
Timeline
Published 2026-06-09
Modified 2026-07-23
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 tag451 hosts
vuln:CVE-2026-9742Hosts 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-2026-9742Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-9742Censys host search filtered to this CVE id.
grep.app
CVE-2026-9742Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-9742GitHub code search for direct mentions.
Google dork
"CVE-2026-9742" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-9742 on GitHub.
We haven't classified any articles referencing CVE-2026-9742 yet. The external references above still apply.