CVE-2026-74896

openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in the DangerousPatternVisitor AST analyzer that fails to detect dunder attribute traversal techniques. Attackers can use __class__, __bases__, __subclasses__(), and __globals__ chains to access restricted functions and execute arbitrary system commands from plugin code.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-33mx	Mitigation Vendor Advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-sandbox-escape-via-dunder-attribute-traversal	Third Party Advisory
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w7gr-9g4g-33mx	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*

History

No history.

Information

Published : 2026-08-17 11:16

Updated : 2026-09-01 15:24

NVD link : CVE-2026-74896

Mitre link : CVE-2026-74896

CVE.ORG link : CVE-2026-74896

JSON object : View

Products Affected

jahlives

openssl_encrypt

CWE

CWE-693

Protection Mechanism Failure

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