Unrestricted file upload in Microsoft Bond 9.0.1
Priority MEDIUM 41CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution, Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-434 and CWE-835.
Summary
A denial of service vulnerability exists when the .NET implementation of Bond improperly parses input, aka 'Bond Denial of Service Vulnerability'.
Why it matters now
EPSS 0.04844 92nd percentileScored 2026-11-07
Fix Fixed Bond.Core.CSharp (NuGet): 9.0.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Bond 9.0.1 | all versions | — | No fix listed | CNA |
| — | Bond.Core.CSharp (NuGet) | 3.0.0 to before 9.0.1 | 9.0.1 | Patch available | GHSA-rqrc-8q8f-cp9c |
- Bond 9.0.1 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Bond.Core.CSharp (NuGet) Vendor— Affected 3.0.0 to before 9.0.1 Fixed in 9.0.1 Patch available GHSA-rqrc-8q8f-cp9c
Remediation
- Fix · GHSA-rqrc-8q8f-cp9c Bond.Core.CSharp (NuGet) Fixed in 9.0.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1469
- 2026-10-03 Alias added: GHSA-rqrc-8q8f-cp9c
References
Other 5
- https://github.com/microsoft/bond/commit/3afea822c42dd0095fedb9e7db9ebb99165e7343
- https://github.com/microsoft/bond/commit/b0fd4a15a7cae946dd2855122559ca59cc34dbea
- https://github.com/microsoft/bond
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-1469
- https://www.nuget.org/packages/Bond.Core.CSharp/9.0.1
Sources
- CVE-2020-1469 · CVE Program
- CVE-2020-1469 · NVD
- FIRST EPSS
- GHSA-rqrc-8q8f-cp9c · GitHub Advisory Database · CC BY 4.0
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