CVE-2026-111811

Apache Traffic Server's experimental tsmemcache plugin allows unauthenticated network read, write, and deletion of the shared proxy cache. 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 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

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

Configurations

No configuration.

History

26 Oct 2026, 10:10

Type	Values Removed	Values Added
Summary		(es) El plugin experimental tsmemcache de Apache Traffic Server permite la lectura, escritura y eliminación no autenticadas en red de la caché proxy compartida. Este problema afecta a Apache Traffic Server: desde la versión 8.0.0 hasta la 8.1.11 incluida, desde la versión 9.0.0 hasta la 9.2.15 incluida, desde la versión 10.0.0 hasta la 10.1.4 incluida, y la versión 10.2.0. Se recomienda a los usuarios actualizar a la versión 9.2.16, 10.1.5 o 10.2.1, que solucionan el problema.

21 Oct 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-21 20:17

Updated : 2026-10-26 10:10

NVD link : CVE-2026-111811

Mitre link : CVE-2026-111811

CVE.ORG link : CVE-2026-111811

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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