CVE-2026-74901

Katalog CVE

CVSS 9.8 · Critical EPSS 0,40%

Kerentanan Improper Verification of Cryptographic Signature pada jahlives openssl encrypt. Skor CVSS 3.1 9.8 (Critical) menurut vulncheck.com.

Deskripsi (NVD)

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.

Advisory KUTIM-CSIRT

• Peringatan Keamanan: Rekapitulasi 66 Kerentanan pada Paket Python openssl_encrypt 5 Sep 2026

Rincian

Terbit di NVD

17 Agustus 2026

Terakhir diubah

1 September 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

0,40% peluang dieksploitasi; lebih tinggi dari 32,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w4j7-wfgw-r52w mitigasi · advisory vendor
• https://www.vulncheck.com/advisories/openssl-encrypt-before-authentication-bypass-via-aes-ctr-fallback advisory pihak ketiga