CVE•Published 2026-09-13•0 articles on news•5 live references•NVD data
CVE-2026-90776
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
—
Weaknesses (CWE)
Description
Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC 5322 comments. Attackers can craft malicious email headers with comment-separated atoms to consume excessive CPU and block the Node.js event loop for several seconds, causing denial of service.
Timeline
Published 2026-09-13
Modified 2026-09-13
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-90776Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-90776Censys host search filtered to this CVE id.
grep.app
CVE-2026-90776Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-90776GitHub code search for direct mentions.
Google dork
"CVE-2026-90776" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-90776 on GitHub.
We haven't classified any articles referencing CVE-2026-90776 yet. The external references above still apply.