CVE-2026-74883 openssl_encrypt before 1.4.0 Sandbox Bypass via pathlib and io

What is CVE-2026-74883?

CVE-2026-74883 is a high-severity path traversal vulnerability in Jahlives Openssl Encrypt, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-693

Which versions are affected by CVE-2026-74883?

1 open source package ship an affected version, including openssl-encrypt. It affects 1 product.

Products include Jahlives Openssl Encrypt.

How do I fix CVE-2026-74883?

Upgrade openssl-encrypt to 1.4.0 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-74883 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-74883 exists.

Other vulnerabilities in Jahlives Openssl Encrypt

• CVE-2026-81680 openssl_encrypt before 1.4.9 Authentication Bypass via Recovery Slot Removal Critical 9.3
• CVE-2026-81681 openssl_encrypt before 1.4.9 False Encryption via Cleartext Storage Critical 9.3
• CVE-2026-81685 openssl_encrypt before 1.4.9 Text Injection via Recovery Slot Metadata Critical 9.3
• CVE-2026-81694 openssl-encrypt before 1.4.9 Output Injection via Unsanitized Filenames in verify-usb Command Critical 9.3
• CVE-2026-81695 openssl_encrypt before 1.4.9 Terminal Injection via key_id Critical 9.3

All Jahlives Openssl Encrypt vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as GHSA-mcjj-qw7m-j3cp, GHSA-p2g6-jjwg-33v4, PYSEC-2026-3760.