Threats Tagged 'cve-2026-71303'
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Threats Tagged 'cve-2026-71303'
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CVE-2026-71303: CWE-918: Server-Side Request Forgery (SSRF) in Netflix lemurCVE-2026-71303 0 Lemur manages TLS certificate creation. Prior to 1.9.3, _validate_acme_url enforced ACME_DIRECTORY_HOST_ALLOWLIST when an authority was created, but PUT /api/1/authorities/ passed options to lemur/authorities/service.py without applying the same check. A user holding an authority role could replace the stored acme_url with an internal service or instance-metadata URL such as 169.254.169.254. The next issuance operation loaded that value and passed it to ClientV2.get_directory, causing an outbound request from the Lemur backend. This bypassed the creation-time mitigation for CVE-2026-55166 and could expose internal services or cloud metadata. The fix revalidates acme_url whenever authority options are updated. This issue is fixed in version 1.9.3. Join the discussion | CVE Database V5 | 08/18/2026, 19:03:55 UTC Added: 08/18/2026, 19:20:26 UTC |
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