HTTP Request Smuggling Affecting github.com/go-kratos/kratos/v2/transport/http package, versions >=2.0.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMGOKRATOSKRATOSV2TRANSPORTHTTP-16321064
- published29 Apr 2026
- disclosed25 Apr 2026
- creditYu_Bao
Introduced: 25 Apr 2026
CVE-2026-6993 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to HTTP Request Smuggling via the NewServer function in the HTTP server, specifically within the http.DefaultServeMux Fallback Handler. An attacker can access sensitive information by sending crafted HTTP requests that trigger the unintended intermediary behavior.
Workaround
This vulnerability can be mitigated by restricting network access to the HTTP server to only trusted clients or internal networks through appropriate firewall rules, or by disabling the service if not required.