CVE-2026-100351 kin-openapi - Authentication Bypass

kin-openapi 0.144.0 to 0.147.0 contains an authentication bypass caused by mismatch between decoded URL.Path validation and raw URL.RawPath dispatch in gorilla/mux router, letting unauthenticated remote attackers access protected handlers, exploit requires overlapping public and protected routes with encoded path separator.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Broken Authentication
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
15 October 2026
Updated
16 October 2026
Weakness
CWE-289

Vendor fix

Update to version 0.147.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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