pyopenssl has 2 CVEs on record. The median CVSS is 9.8 (critical), with 1 rated critical.
CVEs per month
Last 12 months, by publish date
1025/101125/111225/120126/010226/020326/030426/040526/050626/060726/070826/080926/09
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 9.8
- Publish → KEV
- —
- Last 90 days
- 0 prev 0
Weakness classes
Products
- pyopenssl 2
2
Total CVEs
1
Critical
0
CISA KEV
0
Exploited
pyopenssl vulnerabilities
CVEs affecting pyopenssl, newest first. Open any entry for full detail, references, and exploit status.
2 CVEsRSS
CVE-2026-27459Critical· 9.8⚖ disputedpyOpenSSL is a Python wrapper around the OpenSSL library
pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to `set_cookie_generate_callback` returned a cookie value greater than 256 bytes, pyOpenSSL wou…
▾ Midnightpyopenssl · pyopensslEPSS 0.70%via NVD
CVE-2026-27448LowpyOpenSSL allows TLS connection bypass via unhandled callback exception in set_tlsext_servername_callback
pyOpenSSL allows TLS connection bypass via unhandled callback exception in set_tlsext_servername_callback
▾ Sunlitpyopenssl · pyopensslEPSS 0.24%via OSV