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CVE-2026-72916

🗓️ 10 Aug 2026 21:19:02Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 71 Views

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

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-72916
10 Aug 202621:19
attackerkb
circl
Circl
CVE-2026-72916
10 Aug 202623:02
circl
cvelist
Cvelist
CVE-2026-72916 Mastodon: SSRF Protection Bypass via IPv4-compatible IPv6 Addresses
10 Aug 202621:19
cvelist
euvd
EUVD
EUVD-2026-55839
10 Aug 202621:19
euvd
nvd
NVD
CVE-2026-72916
10 Aug 202622:17
nvd
osv
OSV
BIT-MASTODON-2026-72916 Mastodon: SSRF Protection Bypass via IPv4-compatible IPv6 Addresses
17 Aug 202605:46
osv
ptsecurity
Positive Technologies
PT-2026-69985
10 Aug 202600:00
ptsecurity
ptsecurity
Positive Technologies
PT-2026-73373
17 Aug 202600:00
ptsecurity
Vulners
Node
OR
joinmastodonmastodonRange4.5.0-beta.14.5.14
joinmastodonmastodonRange4.6.0-beta.14.6.4
[
  {
    "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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13 Aug 2026 16:19Current
5.3Medium risk
Vulners AI Score5.3
CVSS 46.3
EPSS0.00359
71