{"id":"CVE-2026-116476","title":"a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race condition","summary":"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 attac…","severity":"medium","cvss":5.4,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-362"],"vendor":"a2aproject","product":"a2a-dotnet","affected":["a2a-dotnet 1.0.0-preview3"],"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T18:45:20.493Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116476","references":[{"url":"https://vuldb.com/vuln/426389","label":"VDB-426389 | a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race condition"},{"url":"https://vuldb.com/vuln/426389/cti","label":"VDB-426389 | CTI Indicators (IOB, IOC, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-116476","label":"CVE-2026-116476 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1014886","label":"Submit #1014886 | a2aproject a2a-dotnet v1.0 CWE-362"},{"url":"https://github.com/a2aproject/a2a-dotnet/pull/453"},{"url":"https://github.com/a2aproject/a2a-dotnet/"}],"tags":["cve.org"],"ingestedAt":"2026-10-26T19:38:01.338Z","epss":0.00202,"epssPercentile":0.10068,"slug":"CVE-2026-116476","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `a2a-dotnet 1.0.0-preview3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}