CVE-2026-62642
Multiple vulnerabilities were discovered in roundcube, a skinnable AJAX based webmail solution for IMAP servers, which could result in account takeover, cross-site scripting, SSRF bypass, information disclosure or denial of service. https://security-tracker.debian.org/tracker/DSA-6391-1
CSIRTS triage
- What
- Multiple vulnerabilities could result in account takeover, cross-site scripting, SSRF bypass, information disclosure, or denial of service.
- Who is affected
- Deployments of the roundcube webmail solution.
- Urgency
- Remediation is urgent as these vulnerabilities could lead to significant security breaches.
- Action
- Apply the security update provided in DSA-6391-1.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownDSA-6391-1 roundcube - security updatedebian · 2026-07-19
- mediumCVE-2026-62642: In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in …nvd · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-62642)