kin-openapi openapi3filter: unauthenticated nil-pointer panic when validating a request against a `content` parameter whose media type has no schema — GHSA-JPCW-4WR7-C3VQ

Summary

| Field | Value | |---|---| | Ecosystem | Go | | Package | `github.com/getkin/kin-openapi` | | Affected versions | `<= 0.143.0` (introduced in `v0.2.0`, PR #90, 2019-05-07; reproduced on `HEAD` `30e2923`) | | Patched versions | 0.144.0 | --- ### Summary `openapi3filter.ValidateRequest` contains a NULL-pointer-dereference denial of service: any **unauthenticated** client can crash the request-validation path with a…

Timeline

Published by source

2026-07-25

Risk context

• Reported severity or threat level: medium.
• Reported CVSS score: 5.3 out of 10.
• Review exposure for the affected product or family: go: github.com/getkin/kin-openapi.

Product

go: github.com/getkin/kin-openapi

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source

Evidence and provenance

Canonical advisory ID

GHSA-JPCW-4WR7-C3VQ

Source

GitHub

Vendor

GitHub

Published by source

2026-07-25

Last source activity

2026-07-25

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.