SEPTEMBER 13, 2026
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Case File

CVE-2026-62641

MEDIUM · CVSS 4.3 EPSS 0.25% 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 attack due to an issue in the TNEF decoder that can be exploited with specially crafted compressed RTF files. This vulnerability could disrupt service availability for users, making it critical for organizations using affected versions to prioritize updates to mitigate potential service interruptions. Administrators of Roundcube installations should take immediate action to ensure they are running the latest patched versions.

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-2026-62641
Severity
MEDIUM
CVSS
4.3
EPSS
0.25%

Original NVD Description

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.

Related CVEs

Other vulnerabilities affecting the same vendor(s)