FederatedAI FATE up to 2.2.0 OSX Broker QueuePushReqStreamObserver.java QueuePushReqStreamObserver.initEggroll rollSiteSessionId/dstRole/dstPartyId wrong session

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.8$0-$5k1.27+

Summaryinfo

A vulnerability classified as problematic has been found in FederatedAI FATE up to 2.2.0. This vulnerability 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. Performing a manipulation of the argument rollSiteSessionId/dstRole/dstPartyId results in wrong session. This vulnerability is reported as CVE-2026-14621. The attack is possible to be carried out remotely. Moreover, an exploit is present. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability classified as problematic 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. The manipulation of the argument rollSiteSessionId/dstRole/dstPartyId with an unknown input leads to a wrong session vulnerability. CWE is classifying the issue as CWE-488. The product does not sufficiently enforce boundaries between the states of different sessions, causing data to be provided to, or used by, the wrong session. This is going to have an impact on confidentiality.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-14621. The exploitability is told to be difficult. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 2.8

VulDB Base Score: 3.1
VulDB Temp Score: 2.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Wrong session
CWE: CWE-488
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/03/2026 Advisory disclosed
07/03/2026 +0 days VulDB entry created
07/03/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 5791
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-14621 (🔒)
GCVE (CVE): GCVE-0-2026-14621
GCVE (VulDB): GCVE-100-376137
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/03/2026 18:57
Changes: 07/03/2026 18:57 (60)
Complete: 🔍
Submitter: Dem00000
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #844900: FederatedAI FATE (OSX Broker) 5a06d9e4c4cd7ab97a5c8357828adbffaca87785 Improper Isolation / Cross-Tenant Data Exposure (by Dem00000)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!