Race Condition Vulnerability in a2aproject's a2a-dotnet Product
CVE-2026-116476

5.3MEDIUM

Key Information:

Vendor

A2aproject

Status
A2a-dotnet
Vendor
CVE Published:
26 October 2026

What is CVE-2026-116476?

A race condition has been identified in the a2a-dotnet component of a2aproject, specifically within the TaskProjection.ApplyStatus function. This vulnerability allows an attacker to manipulate the execution flow from a remote location, potentially leading to unintended side effects or security breaches. The issue is currently being addressed, with a pull request awaiting acceptance for a fix. Users of the affected versions are advised to stay updated on patches and mitigation strategies.

Affected Version(s)

a2a-dotnet 1.0.0-preview3

References

https://vuldb.com/vuln/426389
vdb-entrytechnical-description
https://vuldb.com/vuln/426389/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116476
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

colorfullbz (VulDB User)
VulDB CNA Team
.