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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-81688

openssl_encrypt before 1.4.9 Plaintext Confirmation Oracle via SHA-256

Description

openssl_encrypt versions before 1.4.9 store an unkeyed SHA-256 hash of the plaintext in the cleartext file header metadata. Attackers can read this hash without the password to confirm guessed plaintexts offline or fingerprint identical plaintexts across separately-encrypted files.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

jahlives openssl_encrypt

Default version status: unaffected

  • 0 to < 1.4.9affected
  • 1.4.9unaffected
pkg:pypi/openssl-encrypt

References