Multiple vulnerabilities in Roundcube (August 10, 2026)
Multiple vulnerabilities were discovered in Roundcube. Some of them allow an attacker to cause arbitrary code execution remotely, compromise data confidentiality, and server-side request forgery (SSRF).
CSIRTS triage
- What
- Multiple vulnerabilities in Roundcube allow arbitrary code execution, data confidentiality compromise, and server-side request forgery.
- Who is affected
- Roundcube installations exposed to remote attackers.
- Urgency
- High priority; remote code execution capability represents critical risk requiring immediate remediation.
- Action
- Apply Roundcube patches once released to address remote code execution vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0987/
Recent advisories for Roundcube
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[NEW] [high] Roundcube Webmail: Multiple vulnerabilitiescert-bund · 2026-08-18
- mediumCVE-2026-75010: In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the modoboa driver of the password …nvd · 2026-08-17
- mediumCVE-2026-75007: In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject …nvd · 2026-08-17
- mediumCVE-2026-75006: In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets…nvd · 2026-08-17
- mediumCVE-2026-75004: In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could le…nvd · 2026-08-17
- mediumCVE-2026-75003: In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attr…nvd · 2026-08-17
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