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VULNERABILITIES

CVE-2026-111809 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.3 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-111809
NVD Published Date:
Oct 21, 2026
NVD Last Modified:
Oct 28, 2026
Source:
[email protected]
CVE-2026-111809 Details - Not Deferred