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CVE-2026-48096

OpenFGA: Cache-key delimiter injection in openfga/openfga shared-iterator and v2 iterator caches enables intra-store authorization-decision poisoning

Published: Jun 10, 2026Updated: Jun 10, 2026 Sources: CVE List
NVD MITRE
5.0CVSS
MEDIUM

OpenFGA is an authorization/permission engine built for developers. Prior to version 1.16.0, when iterator caching is enabled, two distinct check requests can produce the same cache key, leading to OpenFGA reusing an earlier cached result for a subsequent request. This issue has been patched in version 1.16.0.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

CWE-345CWE-345: Insufficient Verification of Data AuthenticityCWE-668CWE-668: Exposure of Resource to Wrong Sphere

Affected Products

openfga
openfga

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://github.com/openfga/openfga/security/advisories/GHSA-8396-jffm-qx4w
github.com
https://github.com/openfga/openfga/releases/tag/v1.16.0
github.com

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