CVE-2026-6993 PUBLISHED

go-kratos http.DefaultServeMux Fallback server.go NewServer confused deputy

Assigner: VulDB
Reserved: 24.04.2026 Published: 25.04.2026 Updated: 25.04.2026

A security flaw has been discovered in go-kratos kratos up to 2.9.2. This impacts the function NewServer of the file transport/http/server.go of the component http.DefaultServeMux Fallback Handler. The manipulation results in unintended intermediary. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 0284a5bcf92b5a7ee015300ce3051baf7ae4718d. Applying a patch is advised to resolve this issue.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.9

Product Status

Vendor go-kratos
Product kratos
Versions
  • Version 2.9.0 is affected
  • Version 2.9.1 is affected
  • Version 2.9.2 is affected

Credits

  • Yu_Bao (VulDB User) reporter

References

Problem Types

  • Unintended Intermediary CWE