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EUVD-2026-4207

🗓️ 22 Jan 2026 01:47:36Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Mastodon suspension bypass leaks suspended users' posts into timelines across versions; patches released later.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23961
22 Jan 202601:47
attackerkb
Circl
CVE-2026-23961
22 Jan 202605:14
circl
CNNVD
Mastodon security vulnerabilities
22 Jan 202600:00
cnnvd
CVE
CVE-2026-23961
22 Jan 202601:47
cve
Cvelist
CVE-2026-23961 Mastodon may allow a remote suspension bypass
22 Jan 202601:47
cvelist
NVD
CVE-2026-23961
22 Jan 202602:15
nvd
OSV
BIT-MASTODON-2026-23961 Mastodon may allow a remote suspension bypass
3 Feb 202608:44
osv
OSV
CVE-2026-23961 Mastodon may allow a remote suspension bypass
22 Jan 202601:47
osv
Positive Technologies
PT-2026-3898
22 Jan 202600:00
ptsecurity
Positive Technologies
PT-2026-6339
3 Feb 202600:00
ptsecurity
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "9183505c-7b52-3e29-92c9-ad698590f646",
        "vendor": {
          "name": "mastodon"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "14bda837-602a-382c-9286-672edab59c85",
        "product": {
          "name": "mastodon"
        },
        "product_version": "< 4.3.18"
      },
      {
        "id": "8bd64138-f221-3b64-abd9-23edfffcd3f5",
        "product": {
          "name": "mastodon"
        },
        "product_version": "4.5.0, < 4.5.5"
      },
      {
        "id": "a5d94fed-7f03-3948-b8c4-410ac3192cdd",
        "product": {
          "name": "mastodon"
        },
        "product_version": "4.4.0, < 4.4.12"
      }
    ]
  }
]

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22 Jan 2026 21:38Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.15.3
EPSS0.00027
SSVC
2