Vulnerability Bulletins |
CVE-2026-74901 |
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| Affected software | OPENSSL |
| openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in pqc.py where AES-GCM decryption failures trigger fallback to unauthenticated AES-CTR mode. Attackers can modify ciphertext in transit to bypass integrity verification and perform bit-flipping attacks without detection. | |
Link: |
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| https://nvd.nist.gov/vuln/detail/CVE-2026-74901 | |