SEPTEMBER 14, 2026
Live Feed
Back to database
Case File

CVE-2026-40514

MEDIUM · CVSS 5.9 EPSS 0.15%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-27 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.9. It affects Oracle. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-40514
Severity
MEDIUM
CVSS
5.9
EPSS
0.15%
Oracle

Original NVD Description

SmarterTools SmarterMail builds prior to 9610 contain a cryptographic weakness in the file and email sharing endpoints that use DES-CBC encryption with keys and initialization vectors derived from System.Random seeded with insufficient entropy, reducing the seed space to approximately 19,000 possible values. An unauthenticated attacker can use the attachment download endpoint as an oracle to determine the seed in use and derive encryption keys and initialization vectors to forge sharing tokens for arbitrary emails, attachments, or file storage contents without prior access to the targeted content.

Related CVEs

Other vulnerabilities affecting the same vendor(s)