CVE-2026-6993
go-kratos http.DefaultServeMux Fallback server.go NewServer confused deputy
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-441 |
| Vendor | go-kratos |
| Product | kratos |
| Published | Apr 25, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
go-kratos / kratos
2.9.0 2.9.1 2.9.2
References
vuldb.com: https://vuldb.com/vuln/359545 vuldb.com: https://vuldb.com/vuln/359545/cti vuldb.com: https://vuldb.com/submit/797099 github.com: https://github.com/go-kratos/kratos/issues/3810 github.com: https://github.com/go-kratos/kratos/pull/3814 github.com: https://github.com/Yanhu007/kratos/commit/0284a5bcf92b5a7ee015300ce3051baf7ae4718d github.com: https://github.com/go-kratos/kratos/
Credits
🔍 Yu_Bao (VulDB User)