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CVE-2026-33729

Openfga vulnerability

9.8 CRITICALEPSS 0.31%
  1. Published27 Mar 2026

Description

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 condition evaluation andncaching is enabled. OpenFGA v1.13.1 contains a patch.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Openfga< 1.13.1

Remediation

Fixed in
Openfga≥ 1.13.1

References

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Frequently asked

Is CVE-2026-33729 being actively exploited?

CVE-2026-33729 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.31%.

How severe is CVE-2026-33729?

CVE-2026-33729 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.31% probability of exploitation.

Which products are affected by CVE-2026-33729?

Affected products include Openfga.

How do I fix CVE-2026-33729?

Upgrade affected software to a fixed version, for example Openfga 1.13.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-33729 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.