kin-openapi has uncontrolled resource consumption in openapi3filter deepObject query parameter decoding

Date Aug 21, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท github.com/getkin/kin-openapi
CVE CVE-2026-77354
High-risk advisory CVE-2026-77354

Summary

kin-openapi has uncontrolled resource consumption in openapi3filter deepObject query parameter decoding

Why it matters

GitHub has published a reviewed security advisory for github.com/getkin/kin-openapi. Prioritize it with other application dependency updates.

Operator check

Check whether github.com/getkin/kin-openapi is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.