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4 vulnerabilities found for a2a-dotnet by a2aproject
CVE-2026-116477 (GCVE-0-2026-116477)
Vulnerability from nvd – Published: 2026-10-26 19:15 – Updated: 2026-10-31 01:43 X_Open Source
VLAI
EPSS
VEX
Title
a2aproject a2a-dotnet Parser A2AJsonRpcProcessor.cs A2AJsonRpcProcessor.ProcessRequestAsync information exposure
Summary
A security vulnerability has been detected in a2aproject a2a-dotnet up to 1.0.0-preview2. The impacted element is the function A2AJsonRpcProcessor.ProcessRequestAsync of the file src/A2A.AspNetCore/A2AJsonRpcProcessor.cs of the component Parser. The manipulation leads to information exposure through error message. It is possible to initiate the attack remotely. Upgrading to version 1.0.0-preview3 is sufficient to resolve this issue. The identifier of the patch is ccbd12b6108a6a8f0fd5d8b4a9ece3c8a94ba1e4. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-31 01:43 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426390 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426390/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116477 | third-party-advisory |
| https://vuldb.com/submit/1014890 | third-party-advisory |
| https://github.com/a2aproject/a2a-dotnet/pull/452 | issue-trackingpatch |
| https://github.com/a2aproject/a2a-dotnet/commit/c… | patch |
| https://github.com/a2aproject/a2a-dotnet/releases… | patch |
| https://github.com/a2aproject/a2a-dotnet/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2aproject | a2a-dotnet |
Affected:
1.0.0-preview2
Unaffected: 1.0.0-preview3 cpe:2.3:a:a2aproject:a2a-dotnet:*:*:*:*:*:*:*:* |
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CVE-2026-116476 (GCVE-0-2026-116476)
Vulnerability from nvd – Published: 2026-10-26 18:45 – Updated: 2026-11-02 18:03
VLAI
EPSS
VEX
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 attack may be performed from remote. The pull request to fix this issue awaits acceptance.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 18:02 UTC
CWE
- CWE-362 - Race Condition
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426389 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426389/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116476 | third-party-advisory |
| https://vuldb.com/submit/1014886 | third-party-advisory |
| https://github.com/a2aproject/a2a-dotnet/pull/453 | issue-trackingpatch |
| https://github.com/a2aproject/a2a-dotnet/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2aproject | a2a-dotnet |
Affected:
1.0.0-preview3
cpe:2.3:a:a2aproject:a2a-dotnet:*:*:*:*:*:*:*:* |
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CVE-2026-116477 (GCVE-0-2026-116477)
Vulnerability from cvelistv5 – Published: 2026-10-26 19:15 – Updated: 2026-10-31 01:43 X_Open Source
VLAI
EPSS
VEX
Title
a2aproject a2a-dotnet Parser A2AJsonRpcProcessor.cs A2AJsonRpcProcessor.ProcessRequestAsync information exposure
Summary
A security vulnerability has been detected in a2aproject a2a-dotnet up to 1.0.0-preview2. The impacted element is the function A2AJsonRpcProcessor.ProcessRequestAsync of the file src/A2A.AspNetCore/A2AJsonRpcProcessor.cs of the component Parser. The manipulation leads to information exposure through error message. It is possible to initiate the attack remotely. Upgrading to version 1.0.0-preview3 is sufficient to resolve this issue. The identifier of the patch is ccbd12b6108a6a8f0fd5d8b4a9ece3c8a94ba1e4. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-31 01:43 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426390 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426390/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116477 | third-party-advisory |
| https://vuldb.com/submit/1014890 | third-party-advisory |
| https://github.com/a2aproject/a2a-dotnet/pull/452 | issue-trackingpatch |
| https://github.com/a2aproject/a2a-dotnet/commit/c… | patch |
| https://github.com/a2aproject/a2a-dotnet/releases… | patch |
| https://github.com/a2aproject/a2a-dotnet/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2aproject | a2a-dotnet |
Affected:
1.0.0-preview2
Unaffected: 1.0.0-preview3 cpe:2.3:a:a2aproject:a2a-dotnet:*:*:*:*:*:*:*:* |
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CVE-2026-116476 (GCVE-0-2026-116476)
Vulnerability from cvelistv5 – Published: 2026-10-26 18:45 – Updated: 2026-11-02 18:03
VLAI
EPSS
VEX
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 attack may be performed from remote. The pull request to fix this issue awaits acceptance.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 18:02 UTC
CWE
- CWE-362 - Race Condition
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426389 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/426389/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116476 | third-party-advisory |
| https://vuldb.com/submit/1014886 | third-party-advisory |
| https://github.com/a2aproject/a2a-dotnet/pull/453 | issue-trackingpatch |
| https://github.com/a2aproject/a2a-dotnet/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2aproject | a2a-dotnet |
Affected:
1.0.0-preview3
cpe:2.3:a:a2aproject:a2a-dotnet:*:*:*:*:*:*:*:* |
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