HTTP Request Smuggling Affecting apache/trafficserver package, versions [9.0.0,9.2.15)[10.0.0,10.1.4)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-APACHETRAFFICSERVER-18507686
- published2 Aug 2026
- disclosed29 Jul 2026
- creditUnknown
Introduced: 29 Jul 2026
NewCVE-2026-58155 (opens in a new tab)How to fix?
Upgrade apache/trafficserver to version 9.2.15, 10.1.4 or higher.
Overview
Affected versions of this package are vulnerable to HTTP Request Smuggling via the truncation of over-long HTTP header names in the process responsible for header parsing. An attacker can bypass security policies or interfere with request handling by crafting specially constructed HTTP requests that exploit header aliasing and request smuggling.