CVE-2026-116476

MEDIUM 5.4CVE-2026-116476 · Published 26/10/2026 · updated 02/11/2026

In short

CVE-2026-116476 is a MEDIUM (CVSS 5.4) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.20%, higher than 10.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

a2aproject/a2a-dotnet
a2aproject/a2a-dotnet#453
vuldb.com/cve/CVE-2026-116476
vuldb.com/submit/1014886
vuldb.com/vuln/426389
vuldb.com/vuln/426389/cti

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