CVE-2026-48096 OpenFGA has cache-key delimiter injection in shared-iterator and v2 iterator that caches enables intra-store authorization-decision poisoning
Attackers can poison authorization caches by injecting delimiters, causing incorrect permission decisions when iterator caching is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-48096?
CVE-2026-48096 is a medium-severity vulnerability in openfga, published on 10 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-48096?
3 open source packages ship an affected version, including github.com/openfga/openfga. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
github.com/openfga/openfga Go | All versions | 1.16.0 |
github.com/openfga/openfga Go | All versions | 1.16.0 |
github.com/openfga/openfga Go | All versions | 1.16.0 |
Products include Openfga Helm Charts, Openfga Openfga.
How do I fix CVE-2026-48096?
Upgrade github.com/openfga/openfga to 1.16.0 or later.
Is CVE-2026-48096 being exploited?
There is no known exploitation of CVE-2026-48096 in the wild and no public exploit code.
Other vulnerabilities in openfga
Sources
Also known as CLEANSTART-2026-CD29360, CLEANSTART-2026-FA26777, CLEANSTART-2026-IC81129, CLEANSTART-2026-OZ34344, ECHO-91cb-53c9-355e, GHSA-8396-jffm-qx4w and 20 more.