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CVE-2026-72916 Mastodon: SSRF Protection Bypass via IPv4-compatible IPv6 Addresses

🗓️ 10 Aug 2026 21:19:02Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Mastodon versions before 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1 allow SSRF bypass via unrecognized IPv4-compatible IPv6 addresses.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-72916
10 Aug 202621:19
attackerkb
cve
CVE
CVE-2026-72916
10 Aug 202621:19
cve
euvd
EUVD
EUVD-2026-55839
10 Aug 202621:19
euvd
nvd
NVD
CVE-2026-72916
10 Aug 202622:17
nvd
[
  {
    "vendor": "mastodon",
    "product": "mastodon",
    "versions": [
      {
        "version": "< 4.4.21",
        "status": "affected"
      },
      {
        "version": ">= 4.5.0-beta.1, < 4.5.14",
        "status": "affected"
      },
      {
        "version": ">= 4.6.0-beta.1, < 4.6.4",
        "status": "affected"
      }
    ]
  }
]

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