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

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). 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
    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

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