CVE Watch4 de nov. de 2026

CVE-2026-118766

Botan is a C++ cryptography library. Prior to 3.13.0, Botan's online OCSP client allowed a single HTTP redirect while posting an OCSP reques

CVSS

6.1

Média

EPSS

0.1%

KEV

—

Exploit Today

0-100

Publicado: 29 de out. de 2026 · Última mod.: 4 de nov. de 2026 · CWE-918

EPSS · 30d

0.1%EPSS · 30 dias0.1%

2026-10-302026-11-07

Descrição técnica

Botan is a C++ cryptography library. Prior to 3.13.0, Botan's online OCSP client allowed a single HTTP redirect while posting an OCSP request to the URI in a certificate's Authority Information Access extension. A malicious OCSP responder or an on-path attacker could redirect the client to make one blind request to an otherwise unreachable internal HTTP service. The primary impact is blind SSRF that might affect internal services with non-idempotent GET handlers, and response timing can provide a coarse internal-service oracle. This issue is fixed in version 3.13.0.

Referências oficiais

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