critical9.0
CVE-2026-111811
Apache Traffic Server's experimental tsmemcache plugin allows unauthenticated network read, write, and deletion of the shared proxy cache.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | 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 |
Versions were read from the advisory text. No structured product data has been published for this record yet.