NULL Pointer Dereference Affecting github.com/getkin/kin-openapi/openapi3filter package, versions >=0.10.0 <0.141.0


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.35% (29th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-GOLANG-GITHUBCOMGETKINKINOPENAPIOPENAPI3FILTER-19233591
  • published24 Aug 2026
  • disclosed21 Aug 2026
  • creditmatiasinsaurralde

Introduced: 21 Aug 2026

NewCVE-2026-76905  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade github.com/getkin/kin-openapi/openapi3filter to version 0.141.0 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference in convertParseError in openapi3filter/validation_error_encoder.go. An attacker can crash a server by sending a malformed multipart/form-data request body that triggers validation and is rendered through ConvertErrors or ValidationErrorEncoder.

CVSS Base Scores

version 4.0
version 3.1