CVE Catalog

CVE-2026-6993

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

24th percentile - higher than 24% of all known CVEs

Summary

A security flaw has been discovered in go-kratos up to version 2.9.2, affecting the NewServer function in transport/http/server.go related to the http.DefaultServeMux Fallback Handler. The manipulation results in an unintended intermediary, and the attack may be launched remotely. The exploit has been released publicly and may be used for attacks; the patch is identified as 0284a5bcf92b5a7ee015300ce3051baf7ae4718d.

Risk Assessment

Since the exploit is publicly available, any organization using go-kratos up to 2.9.2 is exposed to remote attacks. This may allow interception or redirection of HTTP traffic through an unintended intermediary.

Recommendation

Update go-kratos to a version containing patch 0284a5bcf92b5a7ee015300ce3051baf7ae4718d or later. Until the patch is applied, limit network exposure of services using this library.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS