CVE-2026-33729: OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired b

Q: How do I fix CVE-2026-33729?

openfga: upgrade to 1.13.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-33729 being exploited?

CVE-2026-33729 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33729 affect?

CVE-2026-33729 affects openfga. Severity is critical (CVSS 9.8). OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. In versions prior to 1.13.1, under specific conditions, models using conditions with caching enabled can result

Q: How urgent is CVE-2026-33729?

Priority 43/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-33729 is a critical-severity flaw (CVSS 9.8) affecting openfga. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. In versions prior to 1.13.1, under specific conditions, models using conditions with caching enabled can result in two different check requests producing the same cache key. This can result in OpenFGA reusing an earlier cached result for a different request. Users are affected if the model has relations which rely on co

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-20, CWE-345, CWE-1289
Published	2026-03-27
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: openfga

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-27 01:16 UTCPublished CVE record published
2026-06-17 10:38 UTCUpdated Record last modified

openfga openfga UPGRADE

Affected: < 1.13.1

Fixed in: 1.13.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy openfga || rpm -q openfga || openfga --version

2. UPGRADE to 1.13.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade openfga

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openfga

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33729?

openfga: upgrade to 1.13.1. Exact commands for each OS are on this page.

Is CVE-2026-33729 being exploited?

CVE-2026-33729 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33729 affect?

CVE-2026-33729 affects openfga. Severity is critical (CVSS 9.8). OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. In versions prior to 1.13.1, under specific conditions, models using conditions with caching enabled can result

How urgent is CVE-2026-33729?

Priority 43/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-40293 MEDIUM 6.5 UPGRADE OpenFGA is an authorization/permission engine built for developers
CVE-2026-34972 MEDIUM 5.0 UPGRADE UPGRADE OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired b
CVE-2026-48096 MEDIUM 5.0 UPGRADE UPGRADE OpenFGA is an authorization/permission engine built for developers
CVE-2026-41131 MEDIUM 5.0 UPGRADE UPGRADE OpenFGA is an authorization/permission engine built for developers

References

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