{"id":"CVE-2026-81683","title":"openssl_encrypt before 1.4.9 Plaintext Private Key Storage","summary":"openssl_encrypt (pip package openssl-encrypt) versions 1.4.8 and earlier store an mTLS client private key in cleartext within a world-readable (0644) SharedPreferences file via the desktop GUI's Settings screen 'combined certificate and …","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-312"],"vendor":"jahlives","product":"openssl_encrypt","affected":["openssl_encrypt < 1.4.9"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-08-27T18:19:21.836541Z"},"published":"2026-08-27","updated":"2026-10-01","sourceUpdated":"2026-10-01T15:21:18.855Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-81683","references":[{"url":"https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-r8gw-6hfj-98jw","label":"GitHub Security Advisory (GHSA-r8gw-6hfj-98jw)"},{"url":"https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-plaintext-private-key-storage","label":"VulnCheck Advisory: openssl_encrypt before 1.4.9 Plaintext Private Key Storage"}],"tags":["cve.org","osv","pip","score-dispute"],"epss":0.00071,"epssPercentile":0.00041,"aliases":["PYSEC-2026-3792","GHSA-r8gw-6hfj-98jw"],"ecosystem":"pip","patched":["openssl-encrypt 1.4.9"],"scores":{"cna":8.4,"osv":5.5},"ingestedAt":"2026-09-03T19:32:11.984Z","slug":"CVE-2026-81683","body":"## Overview\n\nopenssl_encrypt (pip package openssl-encrypt) versions 1.4.8 and earlier store an mTLS client private key in cleartext within a world-readable (0644) SharedPreferences file via the desktop GUI's Settings screen 'combined certificate and private key' PEM field. A local attacker with file system access can read the exposed private key. Version 1.4.9 writes the PEM to a dedicated 0600 file, keeps only its path in SharedPreferences, and migrates/scrubs existing cleartext values.\n\n## Affected\n\n- `openssl_encrypt < 1.4.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-81683)\n\nAffected packages:\n\n- `openssl-encrypt < 1.4.9`\n\nPatched in:\n\n- `openssl-encrypt 1.4.9`\n\nSource: https://osv.dev/vulnerability/PYSEC-2026-3792","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":214424,"id":"CVE-2026-81683","ts":1790869817995,"field":"cvss","old":"5.5","new":"8.4"},{"seq":214423,"id":"CVE-2026-81683","ts":1790869817995,"field":"severity","old":"medium","new":"high"}]}