Threats Tagged 'cve-2026-42346'
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Threats Tagged 'cve-2026-42346'
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Postiz is an AI social media scheduling tool. From version 2.16.6 to before version 2.21.7, all SSRF protections added in v2.21.4–v2.21.6 share a fundamental TOCTOU (Time-of-Check-Time-of-Use) vulnerability: isSafePublicHttpsUrl() resolves DNS to validate the target IP, but subsequent fetch() calls resolve DNS independently. An attacker controlling a DNS server can exploit this gap via DNS rebinding to redirect requests to internal network addresses. This issue has been patched in version 2.21.7. Join the discussion | CVE Database V5 | 05/08/2026, 22:26:50 UTC Added: 05/08/2026, 22:51:25 UTC |
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