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CVE-2026-97373 draw.io: Incomplete SSRF blocklist in `ProxyServlet` / `Utils.sanitizeUrl`: RFC 6598 CGNAT range `100.64.0.0/10` is not blocked -> server-side request to internal CGNAT hosts

🗓️ 04 Nov 2026 20:52:51Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Unauthenticated remote SSRF in draw.io /proxy endpoint via incomplete CGNAT blocklist.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-97373
4 Nov 202621:01
–circl
cve
CVE
CVE-2026-97373
4 Nov 202620:52
–cve
euvd
EUVD
EUVD-2026-117101
4 Nov 202620:52
–euvd
mend
Mend
CVE-2026-97373
4 Nov 202620:52
–mend
nvd
NVD
CVE-2026-97373
4 Nov 202621:18
–nvd
ptsecurity
Positive Technologies
PT-2026-137172
4 Nov 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-97373: jgraph drawio: draw.io is a configurable diagramming and whiteboarding application
4 Nov 202600:00
–rapid7
[
  {
    "vendor": "jgraph",
    "product": "drawio",
    "versions": [
      {
        "version": "< 30.3.8",
        "status": "affected"
      }
    ]
  }
]

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04 Nov 2026 20:52Current
CVSS 3.15.8
EPSS0.00244
11