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Vulnerability record · CVE-2026-74883 · published 17 August 2026

CVE-2026-74883: Jahlives openssl encrypt vulnerability

JJahlives · Openssl Encrypt

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.

8.7 CVSS 4.0 High EPSS 0.48% · top 61.3% CWE-693 · CWE-693
8.7CVSS 4.0 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
1 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-mcjj-qw7m-j3cp ExploitMitigationVendor Advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-sandbox-bypass-via-pathlib-and-io Third Party Advisory
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-mcjj-qw7m-j3cp ExploitMitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-74883), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.