CVE-2026-116476
a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race condition
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 26, 2026
- Updated
- Oct 26, 2026
- Reserved
- Oct 26, 2026
Description
A weakness has been identified in a2aproject a2a-dotnet up to 1.0.0-preview3. The affected element is the function TaskProjection.ApplyStatus of the component TaskProjection. Executing a manipulation can lead to race condition. The attack may be performed from remote. The pull request to fix this issue awaits acceptance.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X | VulDB |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C | VulDB |
| 3.0 | 5.4 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C | VulDB |
| 2.0 | 5.5 Medium | AV:N/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:ND/RC:C | VulDB |
Weaknesses
- CWE-362 Race Condition
Affected Products
| Product | Versions |
|---|---|
a2a-dotneta2aproject |
|
References
- VDB-426389 | a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race conditionvdb-entrytechnical-description
- VDB-426389 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-116476 | CVE Analysis and Reportthird-party-advisory
- Submit #1014886 | a2aproject a2a-dotnet v1.0 CWE-362third-party-advisory
- https://github.com/a2aproject/a2a-dotnet/pull/453issue-trackingpatch
- https://github.com/a2aproject/a2a-dotnet/product
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