CVE-2026-34972

OpenFGA's BatchCheck within-request deduplication produces incorrect authorization decisions via list-value cache-key collision

HIGH
8.8
CVSS Score
Published: April 6, 2026 at 08:41 PM UTC
Updated: July 24, 2026 at 09:20 PM UTC
2 products affected across 1 vendorOpenfgaHelm Charts

Using openfga by openfga?

Get instant alerts when new vulnerabilities affect openfga - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.2.16 ≤ v < 0.2.62
Affected range stops below 0.2.62, so it looks safe — our inference, not a vendor statement
v < 1.14.01.8.0 ≤ v < 1.14.0
Affected range stops below 1.14.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/openfga/openfga/security/advisories/GHSA-jwvj-g8pc-cx45

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-863

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card