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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
A2aproject
  • A2a-dotnet

No data.

No data.

References
Link Providers
https://github.com/a2aproject/a2a-dotnet/ cve-icon cve-icon
https://github.com/a2aproject/a2a-dotnet/pull/453 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-116476 cve-icon cve-icon
https://vuldb.com/submit/1014886 cve-icon cve-icon
https://vuldb.com/vuln/426389 cve-icon cve-icon
https://vuldb.com/vuln/426389/cti cve-icon cve-icon
History

Mon, 02 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 26 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race condition
First Time appeared A2aproject
A2aproject a2a-dotnet
Weaknesses CWE-362
CPEs cpe:2.3:a:a2aproject:a2a-dotnet:*:*:*:*:*:*:*:*
Vendors & Products A2aproject
A2aproject a2a-dotnet
References
Metrics cvssV2_0

{'score': 5.5, 'vector': 'AV:N/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:ND/RC:C'}

cvssV3_0

{'score': 5.4, 'vector': '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'}

cvssV3_1

{'score': 5.4, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-10-26T18:45:20.493Z

Updated: 2026-11-02T18:03:12.392Z

Reserved: 2026-10-26T10:59:36.503Z

Link: CVE-2026-116476

cve-icon Vulnrichment

Updated: 2026-11-02T18:03:00.898Z

cve-icon NVD

Status : Deferred

Published: 2026-10-26T19:16:30.587

Modified: 2026-11-02T19:17:54.977

Link: CVE-2026-116476

cve-icon Redhat

No data.