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EUVD-2026-82621

🗓️ 18 Sep 2026 01:26:04Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 27 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
osv
OSV
BIT-NEXTCLOUD-2026-77164
25 Sep 202612:27
–osv
ptsecurity
Positive Technologies
PT-2026-95208
18 Sep 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-98999
25 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-77164: Server-Side Request Forgery (SSRF)
18 Sep 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-77164
23 Sep 202611:34
–redhatcve
susecve
SUSE CVE
SUSE CVE-2026-77164
23 Sep 202617:00
–susecve
Rows per page
[
  {
    "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 19:41Current
6.6Medium risk
Vulners AI Score6.6
CVSS 36.2
EPSS0.00189
SSVC
27