# CVE-2026-33729: GO-2026-4857 - OpenFGA has an Authorization Bypass through cached keys in github.com/openfga/openfga

Source: https://junglewise.ai/threats/cve-2026-33729-openfga-has-an-authorization-bypass-through-cached-keys  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-26  
License: CC BY 4.0 with a link back

CVE-2026-33729 · Severity: medium · CVSS 4 · Published 2026-03-26

OpenFGA has an Authorization Bypass through cached keys in github.com/openfga/openfga

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

## Quick answers

**Is CVE-2026-33729 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-33729 being exploited in the wild.

**How severe is CVE-2026-33729?** Medium severity, with a CVSS score of 4, published 26 March 2026.

**Which products and versions are affected?** github.com/openfga/openfga (Go) SEMVER:introduced=0,fixed=1.13.1.

**Is there a fix for CVE-2026-33729?** Yes. github.com/openfga/openfga (Go): upgrade to 1.13.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-33729?** Check whether you run github.com/openfga/openfga (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/openfga/openfga (Go): upgrade to 1.13.1 or later

  ```sh
  go get github.com/openfga/openfga@v1.13.1
  ```


## Affected products

- github.com/openfga/openfga (Go) SEMVER:introduced=0,fixed=1.13.1

## Identifiers

- CVE-2026-33729
- GHSA-h6c8-cww8-35hf
- GO-2026-4857

## Related threats

- [OpenFGA ListUsers incorrect authorization in intersection exclusions](https://junglewise.ai/threats/cve-2026-61709-openfga-listusers-incorrect-authorization-in-intersection)
- [OpenFGA improper authentication via JWT audience skip in OIDC authenticator](https://junglewise.ai/threats/cve-2026-55689-openfga-improper-authentication-via-jwt-audience-skip-in-oidc)
- [OpenFGA case sensitivity mismatch in MySQL datastore](https://junglewise.ai/threats/cve-2026-55170-openfga-case-sensitivity-mismatch-in-mysql-datastore)
- [OpenFGA cache key collision in iterator caching](https://junglewise.ai/threats/cve-2026-48096-openfga-cache-key-collision-in-iterator-caching)
- [OpenFGA has Improper Policy Enforcement](https://junglewise.ai/threats/cve-2026-41131-openfga-has-improper-policy-enforcement)