CVE-2026-32883
Botan vulnerability analysis and mitigation

Botan is a C++ cryptography library. From version 3.0.0 to before version 3.11.0, during X509 path validation, OCSP responses were checked for an appropriate status code, but critically omitted verifying the signature of the OCSP response itself. This issue has been patched in version 3.11.0.


SourceNVD

Related Botan vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-34580CRITICAL9.3
  • BotanBotan
  • rust-sequoia-sqv
NoYesApr 07, 2026
CVE-2026-35582HIGH8.8
  • JavaJava
  • gov.nsa.emissary:emissary
NoYesApr 18, 2026
CVE-2026-34582HIGH8.7
  • BotanBotan
  • rust-sequoia-sqv
NoYesApr 07, 2026
CVE-2026-32884MEDIUM5.9
  • BotanBotan
  • botan
NoYesMar 30, 2026
CVE-2026-32883MEDIUM5.9
  • BotanBotan
  • sequoia-sq
NoYesMar 30, 2026

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