Vulnerabilities CVE-2026-74883

CVE-2026-74883

High

Open

TLP:CLEAR

openssl_encrypt before 1.4.0 Sandbox Bypass via pathlib and io

NVD CVE.org

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Description

openssl_encrypt versions before 1.4.0 contain a sandbox bypass vulnerability where the plugin sandbox fails to restrict alternative file access methods like pathlib.Path and io.open. Attackers can import pathlib or io modules to read and write arbitrary files, completely bypassing the restricted_open file access controls.

Details

CVSS Score: 8.7
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 17, 2026
Last Modified: Aug 17, 2026

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