CVE-2026-32883
Medium
Description
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.
SeverityMedium
CVSS5.9
Exploit probability—
ProductBotan
PublishedMar 30, 2026
First seenMar 30, 2026
Weakness typeCWE-347CWE-347
How to fix
Update
- botan_project botan3.11.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| botan_project botan | 3.0.0 ≤ v < 3.11.0 | 3.11.0 |
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