CVE-2026-34972

highpriority · track · 35OT risk · elevatedEPSS 0.003 · 18 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (18th) EPSS

CVSS 8.8 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-23

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. From 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 1.14.0.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondary · security-advisories@github.comexploitability 1.6 · impact 3.4

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USCWE-863US

affected products (4)

Products and version ranges known to be affected.

openfga openfga1.8.0, → 1.14.0enisa_euvdEU
openfga helm charts0.2.16 → 0.2.62nvdUScpe:2.3:a:openfga:helm_charts:*:*:*:*:*:*:*:*
openfga openfga1.8.0 → 1.14.0nvdUScpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*
Go github.com/openfga/openfga1.8.0 → 1.14.0osvUSpkg:golang/github.com/openfga/openfga

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-jwvj-g8pc-cx45OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision2026-04-07ghsa · osvUS
### Description In OpenFGA, under specific conditions, BatchCheck calls with multiple checks sent for the same object, relation, and user combination can result in improper policy enforcement. ### Am I affected? You are affected if you meet the following preconditions: 1. You execute **BatchCheck** operations which rely on context. 2. Multiple checks are sent within a single BatchCheck operation for the same user/object/relation combination, each containing context. 3. The contexts between those checks differ in a specific way ### Fix Upgrade to OpenFGA v1.14.0 ### Acknowledgement OpenFGA would like to thank @bugbunny-research for the discovery and detailed report.
GO-2026-5483OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision in github.com/openfga/openfga2026-06-25vendor · osvUS
OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision in github.com/openfga/openfga

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2026-04-06modified 2026-07-24

references (4)

External citations — patches, advisories, analysis.

scry

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