CVE-2026-33143
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
OneUptime to rozwiązanie do monitorowania i zarządzania usługami online. W wersjach przed 10.0.34, handler webhooka WhatsApp (/notification/whatsapp/webhook) przetwarzał przychodzące zdarzenia aktualizacji statusu bez weryfikacji podpisu HMAC X-Hub-Signature-256, co pozwalało nieautoryzowanym atakującym na wysyłanie fałszywych ładunków webhooków.
Risk Assessment
Brak weryfikacji podpisu umożliwia atakującym manipulację rekordami statusu dostarczania powiadomień, co może prowadzić do tłumienia alertów i zniekształcania śladów audytowych, co stwarza poważne ryzyko dla integralności systemu.
Recommendation
Zaleca się aktualizację do wersji 10.0.34 lub nowszej, aby zapewnić odpowiednią weryfikację podpisów dla webhooków WhatsApp.
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Original NVD description (English source)
OneUptime is a solution for monitoring and managing online services. Prior to version 10.0.34, the WhatsApp POST webhook handler (/notification/whatsapp/webhook) processes incoming status update events without verifying the Meta/WhatsApp X-Hub-Signature-256 HMAC signature, allowing any unauthenticated attacker to send forged webhook payloads that manipulate notification delivery status records, suppress alerts, and corrupt audit trails. The codebase already implements proper signature verification for Slack webhooks. This issue has been patched in version 10.0.34.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

