Remote Data Leakage in FederatedAI FATE's OSX Broker Component
CVE-2026-14621

2.3LOW

Key Information:

Vendor

Federatedai

Status
Fate
Vendor
CVE Published:
4 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14621?

A vulnerability exists in the OSX Broker of FederatedAI FATE versions up to 2.2.0, specifically in the function QueuePushReqStreamObserver.initEggroll. This issue arises from improper handling of the rollSiteSessionId, dstRole, and dstPartyId arguments, which could allow an attacker to compromise data isolation and expose sensitive information to an incorrect session. The attack can be executed remotely, and although the exploit is complex, it remains a potential risk. A pull request has been initiated to address this issue, highlighting the urgency for security improvements.

Affected Version(s)

FATE 2.0

FATE 2.1

FATE 2.2.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-14621 - Proof of Concept

References

https://vuldb.com/vuln/376137
vdb-entrytechnical-description
https://vuldb.com/vuln/376137/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14621
third-party-advisory

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dem00000 (VulDB User)
VulDB CNA Team
.