Allocation of Resources Without Limits or Throttling Affecting system.security.cryptography.xml package, versions [8.0.0,8.0.5)[9.0.0,9.0.21)[10.0.0,10.0.13)[11.0.0-preview.1,11.0.0-rc.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-DOTNET-SYSTEMSECURITYCRYPTOGRAPHYXML-20930964
- published14 Oct 2026
- disclosed13 Oct 2026
- creditnovice-22, Ky0toFu, Ashar Javed
Introduced: 13 Oct 2026
NewCVE-2026-96959 (opens in a new tab)How to fix?
Upgrade System.Security.Cryptography.Xml to version 8.0.5, 9.0.21, 10.0.13, 11.0.0-rc.2 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to insufficient resource limits in the XML signature processing. An attacker can cause excessive resource consumption by submitting specially crafted XML data.