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roundcubemail

Multiple vulnerabilities have been identified in Roundcube Webmail, an open-source PHP-based webmail system. These issues affect versions prior to 1.6.18 and versions from 1.7.0 up to but not including 1.7.3. The vulnerabilities include CWE-78, indicating potential command injection risks. The severity is assessed as high. No explicit patch or remediation information is provided in the input data. No known exploits in the wild have been reported.

Roundcube Webmail versions >=1.0.0 and <1.6.18, as well as versions >=1.7.0 and <1.7.3, contain multiple security vulnerabilities including CWE-78 (OS Command Injection). These vulnerabilities could allow an attacker to execute arbitrary commands on the affected system. The vulnerabilities were reported by the Bundesamt für Sicherheit in der Informationstechnik and are tracked under CVE-2026-74997 and related CVEs. No detailed technical exploitation methods or impact scenarios are provided in the available data.

Detailed information about In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmd_learn driver of the markasjunk plugin is subject to remote code ex

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the cmd_learn driver of the markasjunk plugin is subject to remote code execution via… (CVE-2026-74997) - Live Threat Intelligence - Threat Radar | OffSeq.com

WID-SEC-W-2026-2880 - CSAF Version

WID-SEC-2026-2880 - Portal Version

Debian Security Advisory DLA-4760 vom 2026-08-29

Debian Security Advisory DSA-6479 vom 2026-08-30

Roundcube Webmail: Mehrere Schwachstellen

CVE-2026-74998 is a high-severity cross-site scripting (XSS) vulnerability in Roundcube Webmail. It affects versions before 1.6.18 and 1.7.x before 1.7.3. The issue arises because responses from the CSS proxy were not properly validated, potentially allowing information disclosure or XSS attacks via MIME sniffing.

This vulnerability in Roundcube Webmail involves improper neutralization of input during web page generation (CWE-79). Specifically, in versions prior to 1.6.18 and 1.7.3, the CSS proxy responses were not validated, which can lead to cross-site scripting or information disclosure through MIME sniffing. The CVSS 3.1 score is 7.2, indicating a high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impacts confidentiality and integrity with no availability impact.

Detailed information about CVE-2026-74998: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in Roundcube Webma

CVE-2026-74998: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in Roundcube Webmail - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-74998: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in Roundcube Webmail


Roundcube Webmail: Mehrere SchwachstellenCVE-2026-74997 0 Multiple vulnerabilities have been identified in Roundcube Webmail, an open-source PHP-based webmail system. These issues affect versions prior to 1.6.18 and versions from 1.7.0 up to but not including 1.7.3. The vulnerabilities include CWE-78, indicating potential command injection risks. The severity is assessed as high. No explicit patch or remediation information is provided in the input data. No known exploits in the wild have been reported. HighVulnerability#gcve #osv #ghsa-q5rh-mmp4-ppgq Join the discussion	GCVE Database	08/17/2026, 22:00:00 UTC Added: 08/17/2026, 16:14:01 UTC
CVE-2026-74998: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in Roundcube WebmailCVE-2026-74998 0 CVE-2026-74998 is a high-severity cross-site scripting (XSS) vulnerability in Roundcube Webmail. It affects versions before 1.6.18 and 1.7.x before 1.7.3. The issue arises because responses from the CSS proxy were not properly validated, potentially allowing information disclosure or XSS attacks via MIME sniffing. HighVulnerability#cve #cve-2026-74998 #cwe-79 Join the discussion	CVE Database V5	08/17/2026, 12:40:29 UTC Added: 08/17/2026, 13:16:38 UTC

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