CVE-2026-111812

Apache Traffic Server's origin_server_auth plugin lets a client force signing of attacker-chosen AWS request headers under the proxy's own credentials. 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.

CVSS v3 10.0 CRITICAL

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc

Configurations

No configuration.

History

21 Oct 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-21 20:17

Updated : 2026-10-23 12:18

NVD link : CVE-2026-111812

Mitre link : CVE-2026-111812

CVE.ORG link : CVE-2026-111812

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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