Description
Apache Traffic Server allows request smuggling if chunked messages are malformed.
This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1.
Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Traffic Server | >= 9.0.0, <= 9.2.12; >= 10.0.0, <= 10.1.1 |
References
- https://lists.apache.org/thread/2s11roxlv1j8ph6q52rqo1klvl01n14qMailing List, Vendor Advisory
Timeline
- Published
- Apr 2, 2026
- Last modified
- Jul 24, 2026
- NVD status
- Analyzed