CVE-2026-14621 FederatedAI FATE OSX Broker QueuePushReqStreamObserver.java QueuePushReqStreamObserver.initEggroll wrong session
Remote attackers can expose data to wrong sessions via improper session handling in the OSX Broker component of FederatedAI FATE.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14621?
CVE-2026-14621 is a low-severity vulnerability in FederatedAI FATE, published on 4 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in FederatedAI FATE up to 2.2.0. This affects the function QueuePushReqStreamObserver.initEggroll of the file java/osx/osx-broker/src/main/java/org/fedai/osx/broker/grpc/QueuePushReqStreamObserver.java of the component OSX Broker. Such manipulation of the argument rollSiteSessionId/dstRole/dstPartyId leads to exposure of data element to wrong session. The attack can be executed remotely. A high complexity level is associated with this attack. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.
Weakness: CWE-488
Which versions are affected by CVE-2026-14621?
How do I fix CVE-2026-14621?
No fix has been published for CVE-2026-14621 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-14621 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14621 exists.
Sources
Also known as GHSA-pqmh-9h5r-56pf.