CVE-2026-111811 (GCVE-0-2026-111811)

Vulnerability from cvelistv5 – Published: 2026-10-21 19:17 – Updated: 2026-10-21 19:17
VLAI
Title
Apache Traffic Server: tsmemcache plugin exposes the shared proxy cache over the network with no authentication
Summary
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.
Severity
9 (Critical)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1088 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Traffic Server Affected: 8.0.0 , ≤ 8.1.11 (semver)
Affected: 9.0.0 , ≤ 9.2.15 (semver)
Affected: 10.0.0 , ≤ 10.1.4 (semver)
Affected: 10.2.0 (semver)
guessed Create a notification for this product.
Credits
Apache Community
Show details on NVD website
To clipboard 

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