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CVE-2026-71303

🗓️ 18 Aug 2026 19:03:55Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views🌐 WEB

Lemur PUT /api/1/authorities/ bypasses ACME URL allowlist, enabling SSRF to internal IPs and metadata endpoints.

Related
Detection
Affected
Refs
Paths
Vulners
Node
netflixlemurRange<1.9.3
[
  {
    "vendor": "Netflix",
    "product": "lemur",
    "versions": [
      {
        "version": "< 1.9.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
acme_urlrequest body/api/1/authorities/PUT /api/1/authorities/ allows updating authority options without validating acme_url, enabling an attacker to replace the stored acme_url with an internal service or cloud metadata URL and trigger outbound requests from the backend.CWE-918

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08 Sep 2026 21:02Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.7
EPSS0.00277
SSVC
26