CVE-2026-74899Critical· 9.8▾ AbyssalPoC availableopenssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in IsolatedPluginExecutor that exposes Python type objects in restricted exec() builtins. Attackers can traverse the Python class hierarchy via __class__.__mro_…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 53.9 · likelihood 0.2 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Aug 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.5%
0.5% → 0.8%
Last analysed / modified upstream
Exploit / PoC code exists
— → 9.8
none → critical
openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in IsolatedPluginExecutor that exposes Python type objects in restricted exec() builtins. Attackers can traverse the Python class hierarchy via class.mro.subclasses() to access system functions and execute arbitrary OS commands.
openssl_encrypt < 1.4.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
openssl-encrypt < 1.4.0Patched in:
openssl-encrypt 1.4.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-74896Critical· 9.8openssl_encrypt before 1.4.0 Sandbox Escape via Dunder Attribute Traversal
CVE-2026-74883High· 8.8openssl_encrypt before 1.4.0 Sandbox Bypass via pathlib and io
CVE-2026-74870Low· 3.3openssl_encrypt before 1.4.8 Hardware Pepper Information Disclosure
CVE-2026-81680Medium· 4.0openssl_encrypt before 1.4.9 Authentication Bypass via Recovery Slot Removal
CVE-2026-81689High· 7.5openssl_encrypt before 1.4.9 Weak Pepper Key Derivation
CVE-2026-81694Low· 3.3verify-usb before 1.4.9 Output Injection via Unsanitized Filenames