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CVE-2026-34972 openfga CVE debrief

CVE-2026-34972 is a vulnerability in OpenFGA, a high-performance and flexible authorization/permission engine. From version 1.8.0 to 1.13.1, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper policy enforcement. This vulnerability is fixed in version 1.14.0. The vulnerability has a medium severity and is related to improper policy enforcement in the BatchCheck functionality of OpenFGA.

Vendor
openfga
Product
Unknown
CVSS
MEDIUM 5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-06
Original CVE updated
2026-07-24
Advisory published
2026-04-06
Advisory updated
2026-07-24

Who should care

Users of OpenFGA versions 1.8.0 through 1.13.1 should be aware of this vulnerability and take steps to mitigate it. This includes upgrading to version 1.14.0 or applying compensating controls. Operators, platform administrators, vulnerability management teams, and security teams should review the vulnerability details and take necessary actions to protect their systems.

Technical summary

The vulnerability exists in OpenFGA's BatchCheck functionality, where multiple checks for the same object, relation, and user combination can lead to improper policy enforcement. The issue arises from versions 1.8.0 to 1.13.1 and is resolved in version 1.14.0. This technical summary is based on the CVE record and NVD entry. However, additional context is needed to fully understand the technical implications of the vulnerability.

Defensive priority

Medium

Recommended defensive actions

  • Upgrade to OpenFGA version 1.14.0 or later
  • Apply compensating controls to monitor and restrict BatchCheck calls
  • Review and update affected configurations and permissions
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record was published on 2026-04-06T21:16:19.997Z and was last modified on 2026-07-24T21:10:00.143Z. The NVD entry is currently Analyzed. This information is based on the CVE record and NVD entry. However, the details about the vulnerability and its impact are limited. Further verification is needed to understand the full scope of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-34972 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-34972

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-34972 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-34972

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.