# CVE-2026-73502: GO-2026-6112 - Nil-pointer panic on content parameter without schema in github.com/getkin/kin-openapi

Source: https://junglewise.ai/threats/cve-2026-73502-kin-openapi-openapi3filter-unauthenticated-nil-pointer-panic-when  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-18  
License: CC BY 4.0 with a link back

CVE-2026-73502 · Severity: low · CVSS 3.1 · Published 2026-08-18

Nil-pointer panic on content parameter without schema in github.com/getkin/kin-openapi

Technologies: [github.com/getkin/kin-openapi (Go)](https://junglewise.ai/threats/technologies/github-com-getkin-kin-openapi). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2026-73502 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73502 being exploited in the wild.

**How severe is CVE-2026-73502?** Low severity, with a CVSS score of 3.1, published 18 August 2026.

**Which products and versions are affected?** github.com/getkin/kin-openapi (Go) SEMVER:introduced=0,fixed=0.144.0.

**Is there a fix for CVE-2026-73502?** Yes. github.com/getkin/kin-openapi (Go): upgrade to 0.144.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-73502?** Check whether you run github.com/getkin/kin-openapi (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/getkin/kin-openapi (Go): upgrade to 0.144.0 or later

  ```sh
  go get github.com/getkin/kin-openapi@v0.144.0
  ```


## Affected products

- github.com/getkin/kin-openapi (Go) SEMVER:introduced=0,fixed=0.144.0

## Identifiers

- CVE-2026-73502
- GHSA-jpcw-4wr7-c3vq
- GO-2026-6112

## Related threats

- [kin-openapi uncontrolled recursion on circular allOf/anyOf/oneOf schemas](https://junglewise.ai/threats/cve-2026-100354-kin-openapi-uncontrolled-recursion-on-circular-allof-anyof-oneof)
- [kin-openapi SecurityHandler authentication bypass via path encoding](https://junglewise.ai/threats/cve-2026-100351-kin-openapi-validationhandler-security-requirement-bypass-via)
- [kin-openapi deepObject query decoding DoS via repeated regexp compilation](https://junglewise.ai/threats/cve-2026-100350-kin-openapi-deepobject-query-decoding-repeatedly-compiles-an)
- [kin-openapi OpenAPI spec loader nil-pointer panic on self-referential additionalProperties](https://junglewise.ai/threats/cve-2026-100348-kin-openapi-spec-loader-panics-on-a-self-referential)
- [kin-openapi: Unauthenticated denial of service in legacy router](https://junglewise.ai/threats/cve-2026-100347-kin-openapi-unauthenticated-panic-dos-in-openapi3filter-legacy)