CVE-2026-74895: openssl_encrypt before 1.4.0 Plugin Sandbox Bypass via Process Isolation
opensslencrypt versions before 1.4.0 fail to apply sandbox restrictions in the default process isolation mode for plugin execution. Attackers can execute malicious plugins with unrestricted access to the filesystem, network, subprocess execution, and all Python modules.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
openssl_encryptto a version that resolves this vulnerability.Fixed in 1.4.0 - Upgrade
Upgrade
openssl_encryptto a version that resolves this vulnerability.Fixed in 1.4.0Patch Plugin Sandbox Bypass via Process Isolation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-74895?
The severity of CVE-2026-74895 is critical with a CVSS score of 9.8.
How do I fix CVE-2026-74895?
To fix CVE-2026-74895, upgrade to openssl_encrypt version 1.4.0 or later.
What does CVE-2026-74895 exploit?
CVE-2026-74895 exploits a sandbox bypass in openssl_encrypt versions before 1.4.0, allowing execution of malicious plugins.
What systems are affected by CVE-2026-74895?
CVE-2026-74895 affects all installations of openssl_encrypt prior to version 1.4.0.
What are the risks associated with CVE-2026-74895?
The risks associated with CVE-2026-74895 include unrestricted access to the filesystem, network, subprocess execution, and all Python modules.