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CVE-2026-6966

🗓️ 24 Apr 2026 19:38:24Reported by AMZNType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-6966: Bypass TUF threshold by duplicating a valid delegated role signature in awslabs/tough before version 0.22.0.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6966
24 Apr 202619:38
attackerkb
Chainguard
CVE-2026-6966 vulnerabilities
15 May 202607:18
cgr
CNNVD
Amazon tough 数据伪造问题漏洞
24 Apr 202600:00
cnnvd
Cvelist
CVE-2026-6966 Signature Threshold Bypass in awslabs/tough Delegated Roles
24 Apr 202619:38
cvelist
EUVD
EUVD-2026-25627
5 May 202618:46
euvd
Github Security Blog
awslabs/tough Delegated Roles have a Signature Threshold Bypass
5 May 202618:46
github
NVD
CVE-2026-6966
24 Apr 202620:16
nvd
OSV
CGA-F4RW-4PGF-XFRG
15 May 202620:33
osv
OSV
GHSA-8M7C-8M39-RV4X awslabs/tough Delegated Roles have a Signature Threshold Bypass
5 May 202618:46
osv
Positive Technologies
PT-2026-35079
24 Apr 202600:00
ptsecurity
Rows per page
NVD
Node
amazontoughRange<0.22.0rust
OR
amazontuftoolRange<0.15.0rust
[
  {
    "vendor": "AWS",
    "product": "tough",
    "versions": [
      {
        "status": "unaffected",
        "version": "0.22.0"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "AWS",
    "product": "tuftool",
    "versions": [
      {
        "status": "unaffected",
        "version": "0.15.0"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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06 May 2026 15:24Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.3 - 6.5
CVSS 47
EPSS0.0002
SSVC
6