CVE-2026-48096
Description
A flaw was found in OpenFGA, an authorization/permission engine. When iterator caching is enabled, distinct authorization check requests can generate identical cache keys. This can cause OpenFGA to reuse an outdated or incorrect cached result for subsequent requests. Such a flaw may lead to unauthorized information disclosure, data integrity issues, or denial of service with low impact.
Mitigation
To mitigate this issue, disable iterator caching in OpenFGA configurations. This prevents the generation of identical cache keys for distinct authorization requests, thereby eliminating the risk of reusing outdated or incorrect cached results. Consult OpenFGA documentation for specific configuration parameters related to iterator caching. Disabling this feature may impact performance depending on the workload, and a service restart may be required for the changes to take effect.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 5 | 5.3 | N/A |
| Attack Vector | Network | Network | N/A |
| Attack Complexity | High | Low | N/A |
| Privileges Required | Low | None | N/A |
| User Interaction | None | None | N/A |
| Scope | Unchanged | Unchanged | N/A |
| Confidentiality | Low | None | N/A |
| Integrity Impact | Low | Low | N/A |
| Availability Impact | Low | None | N/A |
Vector
Red Hat: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
