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EUVD-2026-82621

🗓️ 18 Sep 2026 03:30:25Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 6 Views

Blind SSRF in Nextcloud Circles via unauthenticated keyId fetch bypassing SSRF protections.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-77164
18 Sep 202601:26
cve
cvelist
Cvelist
CVE-2026-77164
18 Sep 202601:26
cvelist
hackerone
Hacker One
Nextcloud: Unauthenticated blind SSRF in Circles signature verification bypasses Nextcloud local-address protections
18 Aug 202510:24
hackerone
nvd
NVD
CVE-2026-77164
18 Sep 202602:17
nvd
[
  {
    "enisaIdVendor": [
      {
        "id": "6f493266-89ce-3712-a093-da4d6f2963d6",
        "vendor": {
          "name": "nextcloud"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "af37b645-9f95-3666-be4a-be8d5066b859",
        "product": {
          "name": "Server",
          "vendor": {
            "name": "Devolutions"
          }
        },
        "product_version": "31.0.0 ≤32.0.0"
      }
    ]
  }
]

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18 Sep 2026 03:30Current
CVSS 36.2
6