high7.5
CVE-2026-81688
openssl_encrypt versions before 1.4.9 store an unkeyed SHA-256 hash of the plaintext in the cleartext file header metadata.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Jahlives | Openssl Encrypt | before 1.4.9 |