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Critical severity9.0NVD Advisory· Published Oct 21, 2026

CVE-2026-111811

CVE-2026-111811

Description

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.

Affected products

2

Apache/Traffic Serverllm-fuzzy
Range: 8.0.0 - 8.1.11, 9.0.0 - 9.2.15, 10.0.0 - 10.1.4, 10.2.0
Apache/tsmemcache pluginllm-create
Range: 8.0.0 - 8.1.11, 9.0.0 - 9.2.15, 10.0.0 - 10.1.4, 10.2.0

Patches

Vulnerability mechanics

References

1

lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kcnvd

News mentions

0

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