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cryptography: PKCS#7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing

cryptography: PKCS#7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing

CVE-2026-69247Published 2 days agoUpdated 1 day agoSource: OSV

Affected packages

  • cryptography44.0.0 → 50.0.0

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
0.18%
EPSS percentile
7.2%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 7%.

cryptography: PKCS#7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing | HackTribune