CVE•Published 2026-10-21•Modified 2026-10-28•1 article on news•5 live references•NVD data
CVE-2026-111809
Vulnerability data via NVD (ingested)
CVSS v3.1
9.3
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
EPSS percentile
12
Exploit Prediction Scoring System · top 88% of all CVEs
Weaknesses (CWE)
Description
Apache Traffic Server allows request smuggling via HEAD requests that carry Content-Length or Transfer-Encoding. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.
Timeline
Published 2026-10-21
Modified 2026-10-28
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-2026-111809Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-111809Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-111809Censys host search filtered to this CVE id.
grep.app
CVE-2026-111809Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-111809GitHub code search for direct mentions.
Google dork
"CVE-2026-111809" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.