CVE-2026-116476

MEDIUM 5.4

a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race condition

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-362
Vendor	a2aproject
Product	a2a-dotnet
Published	Oct 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

a2aproject / a2a-dotnet

1.0.0-preview3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 colorfullbz (VulDB User) VulDB CNA Team