SEPTEMBER 14, 2026
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Case File

CVE-2026-81716

MEDIUM · CVSS 5.2 EPSS 0.19% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-27 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

OpenSSL versions prior to 1.4.9 are susceptible to a path traversal vulnerability in the PluginSandbox._is_safe_path function, allowing unauthorized file access through a prefix match. This flaw compromises per-plugin isolation, enabling a sandboxed plugin without READ_FILES permission to access files in another plugin's directory if their names share a common prefix. Organizations utilizing OpenSSL for plugin management should prioritize updating to the patched version to mitigate potential data exposure risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-81716
Severity
MEDIUM
CVSS
5.2
EPSS
0.19%
OpenSSL

Original NVD Description

openssl_encrypt (pip: openssl-encrypt) versions before 1.4.9 contain a path traversal flaw in PluginSandbox._is_safe_path, which authorized file access using a bare string-prefix match. A sandboxed plugin without the READ_FILES permission could read or write another plugin's directory that merely shares a name prefix (e.g., .../plugins/foobar matching allowed .../plugins/foo), breaking per-plugin isolation within the same user. Fixed by matching each allowed directory exactly or with a trailing path separator.

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