Description
Apache Traffic Server does not reject Transfer-Encoding in HTTP/2 requests, allowing downgrade request smuggling. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
CVSS 10EPSS 0.316%Risk 1.03
View source- Published
- 2026-07-29 08:16:31
- Affected versions
- <=10.1.3,<=9.2.14,<=8.1.9
- Type
- Critical software
- Last modified
- 2026-08-03 13:42:21
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N