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EUVD-2026-55531

🗓️ 10 Aug 2026 11:59:11Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

OpenSignServer 2.37.0 auth bypass lets unauthenticated mint MASTER_KEY file tokens via getsignedurl.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-72691
10 Aug 202611:59
attackerkb
circl
Circl
CVE-2026-72691
10 Aug 202616:01
circl
cve
CVE
CVE-2026-72691
10 Aug 202611:59
cve
cvelist
Cvelist
CVE-2026-72691 OpenSignLabs opensignserver - Authentication Bypass
10 Aug 202611:59
cvelist
nvd
NVD
CVE-2026-72691
10 Aug 202613:20
nvd
vulnrichment
Vulnrichment
CVE-2026-72691 OpenSignLabs opensignserver - Authentication Bypass
10 Aug 202611:59
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "e9897ea3-c7ba-3db0-8abc-8027622fe636",
        "vendor": {
          "name": "OpenSignLabs"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "22e89eee-c3ae-3c6e-bf39-a782bff62b03",
        "product": {
          "name": "opensignserver",
          "vendor": {
            "name": "OpenSignLabs"
          }
        },
        "product_version": "0 ≤2.37.0"
      }
    ]
  }
]

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10 Aug 2026 18:22Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
SSVC
4