CVE•Published 2026-09-28•Modified 2026-09-28•0 articles on news•4 live references•NVD data
CVE-2026-100889
Vulnerability data via NVD (ingested)
CVSS v3.1
7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS percentile
—
Weaknesses (CWE)
Description
A vulnerability was detected in Trusted Domain Project OpenDKIM up to 2.11.0. Affected is the function dkim_qp_decode of the file util.c of the component Decoder. The manipulation results in off-by-one. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Timeline
Published 2026-09-28
Modified 2026-09-28
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 tag0 hosts
vuln:CVE-2026-100889Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-100889Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-100889Censys host search filtered to this CVE id.
grep.app
CVE-2026-100889Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-100889GitHub code search for direct mentions.
Google dork
"CVE-2026-100889" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-100889 on GitHub.
We haven't classified any articles referencing CVE-2026-100889 yet. The external references above still apply.