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CVE-2026-26209 cbor2 has a Denial of Service via Uncontrolled Recursion in cbor2.loads

🗓️ 23 Mar 2026 18:53:10Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

DoS in cbor2.loads caused by uncontrolled recursion on deeply nested CBOR; fixed in 5.9.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
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23 Mar 202618:53
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EUVD
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Github Security Blog
cbor2 has a Denial of Service via Uncontrolled Recursion in cbor2.loads
23 Mar 202620:23
github
Rows per page
[
  {
    "vendor": "agronholm",
    "product": "cbor2",
    "versions": [
      {
        "version": "< 5.9.0",
        "status": "affected"
      }
    ]
  }
]

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