PYSEC-2026-3756

opensslencrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.fromdict that creates key bundles from untrusted data without verifying signatures. Attackers can call fromdict followed by toidentity without signature verification to encrypt data using attacker-controlled public...

CVE-2026-74876 openssl_encrypt before 1.4.0 Unverified Key Bundle Encryption

opensslencrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.fromdict that creates key bundles from untrusted data without verifying signatures. Attackers can call fromdict followed by toidentity without signature verification to encrypt data using attacker-controlled public...

openssl-encrypt's unverified key bundle from_dict() + to_identity() path allows encryption to attacker keys

Summary The PublicKeyBundle.fromdict method in opensslencrypt/modules/keybundle.py at lines 329-361 creates bundles from untrusted data without verifying the signature. The docstring warns to call verifysignature after creation, but the toidentity method line 363-391 can convert an unverified...

GHSA-8H88-GXP3-J7PG openssl-encrypt's unverified key bundle from_dict() + to_identity() path allows encryption to attacker keys

Summary The PublicKeyBundle.fromdict method in opensslencrypt/modules/keybundle.py at lines 329-361 creates bundles from untrusted data without verifying the signature. The docstring warns to call verifysignature after creation, but the toidentity method line 363-391 can convert an unverified...