What’s Vulnerable › Vulnerabilities

CVE-2026-116476: a2aproject a2a-dotnet TaskProjection TaskProjection.ApplyStatus race condition

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-26 · updated 2026-10-27
• Weakness: CWE-362

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.

Affected products

• a2aproject a2a-dotnet: 1.0.0-preview3

References

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

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