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Multiple vulnerabilities in Roundcube (July 6, 2026)

unknownCVE-2026-54432CVE-2026-54433
Multiple vulnerabilities have been discovered in Roundcube. Some of them allow an attacker to cause a remote denial of service, server-side request forgery (SSRF), and indirect remote code injection (XSS).

CSIRTS triage

vendor: Roundcubeproduct: RoundcubeDenial of serviceServer-side request forgeryCross-site scripting
What
Multiple vulnerabilities allow an attacker to cause a remote denial of service, server-side request forgery (SSRF), and indirect remote code injection (XSS).
Who is affected
Deployments of Roundcube are affected.
Urgency
Remediation is urgent due to the potential for remote denial of service and code injection.
Action
Apply patches for the identified vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-FR Avis de sécurité (FR · national-cert · site)
Severity
unknown
Published
2026-07-06
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0835/

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-54432coverage & exploitation statusNVD · CVE.org
CVE-2026-54433coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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.

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