CVE-2026-74871
1 advisory.
PyPI/openssl-encrypt CVE-2026-74871: medium 5.5
openssl_encrypt versions before 1.4.6 contain a key derivation flaw in sequential XOR composition mode where the last stage cancels out during key generation. When configured with a single KDF and no
Action: Upgrade openssl-encrypt to 1.4.6 or later.
pip install openssl-encrypt==1.4.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.4.6 | - |
Fixed versions
| 1.4.6 |
Sources
- osv: PYSEC-2026-3976
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-vxf9-vwp6-2w43
- https://www.vulncheck.com/advisories/openssl-encrypt-before-kdf-bypass-via-sequential-xor
CVE-2026-74871 · published · modified · JSON