CVE-2026-77354: Kin Openapi Unvalidated Object Param Decoding

Object parameter decoding iterates over schema properties without validating incoming parameter keys against allowed properties when additionalProperties is disabled, or performs unchecked type assertions on parameter maps.

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0Go
greprules fetch cve-2026-77354-kin-openapi-unvalidated-object-param-decoding --engine opengrep

Description

Object parameter decoding iterates over schema properties without validating incoming parameter keys against allowed properties when additionalProperties is disabled, or performs unchecked type assertions on parameter maps.