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CVE-2026-22245 Mastodon has SSRF Protection bypass

🗓️ 08 Jan 2026 15:23:13Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Mastodon SSRF bypass enables loopback access via affected IP ranges; fixed in multiple versions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-22245
8 Jan 202617:15
circl
CNNVD
Mastodon 代码问题漏洞
8 Jan 202600:00
cnnvd
CVE
CVE-2026-22245
8 Jan 202615:23
cve
EUVD
EUVD-2026-1674
8 Jan 202615:23
euvd
NVD
CVE-2026-22245
8 Jan 202616:16
nvd
OSV
BIT-MASTODON-2026-22245 Mastodon has SSRF Protection bypass
13 Jan 202611:27
osv
OSV
CVE-2026-22245 Mastodon has SSRF Protection bypass
8 Jan 202615:23
osv
Positive Technologies
PT-2026-2181
8 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2026-22245
10 Jan 202605:40
redhatcve
Vulnrichment
CVE-2026-22245 Mastodon has SSRF Protection bypass
8 Jan 202615:23
vulnrichment
Rows per page
[
  {
    "vendor": "mastodon",
    "product": "mastodon",
    "versions": [
      {
        "version": "< 4.2.29",
        "status": "affected"
      },
      {
        "version": ">= 4.3.0-beta.1, < 4.3.17",
        "status": "affected"
      },
      {
        "version": ">= 4.4.0-beta.1, < 4.4.11",
        "status": "affected"
      },
      {
        "version": ">= 4.5.0-beta.1, < 4.5.4",
        "status": "affected"
      }
    ]
  }
]

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