SEPTEMBER 13, 2026
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Case File

CVE-2026-62642

MEDIUM · CVSS 4.3 EPSS 0.28% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-14 · Last synced 2026-08-13

CyberRota Analysis

AI-Generated

Roundcube Webmail versions prior to 1.6.17 and 1.7.x before 1.7.2 are vulnerable to a denial of service due to an infinite loop in the TNEF decoder triggered by opening emails with TNEF attachments. This vulnerability can disrupt service availability, making it critical for organizations using affected versions to prioritize updates to mitigate potential downtime. Users and administrators of Roundcube Webmail should take immediate action to upgrade to the latest versions to protect against this issue.

Public Exploit Signal

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

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

CVE
CVE-2026-62642
Severity
MEDIUM
CVSS
4.3
EPSS
0.28%

Original NVD Description

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.

Related CVEs

Other vulnerabilities affecting the same vendor(s)