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VulnerabilityPublished Updated

CVE-2026-6993: V2 · Kratos has a Confused Deputy issue

Affects github.com/go-kratos/kratos/v2Source GCVE Database

0
Authoritative record:CVE-2026-6993· Medium 6.9

Public exploit available · CVSS 6.9 Medium.

Data as of 27 Oct 2026, 01:49 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Gogithub.com/go-kratos/kratos/v2Affected
  • <=2.9.2
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Apply the official patch identified by commit 0284a5bcf92b5a7ee015300ce3051baf7ae4718d to versions up to 2.9.2 of go-kratos kratos. This patch resolves the confused deputy issue in the NewServer function. No other mitigation or workaround is indicated by the vendor advisory.

Description

A vulnerability (CVE-2026-6993) exists in go-kratos kratos versions up to 2.9.2 affecting the NewServer function in transport/http/server.go. This flaw involves the http.DefaultServeMux fallback handler and results in a confused deputy issue, allowing unintended intermediary behavior. The vulnerability can be exploited remotely without authentication. Public exploit code is available. A patch identified by commit 0284a5bcf92b5a7ee015300ce3051baf7ae4718d addresses the issue.

References

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