CVE-2026-27860
An attacker can exploit multiple vulnerabilities in Dovecot to perform SQL injection attacks, bypass authentication, disclose confidential information, or cause a Denial-of-Service condition.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to perform SQL injection, bypass authentication, disclose information, or cause a Denial of Service.
- Who is affected
- Deployments of Dovecot are affected by these vulnerabilities.
- Urgency
- Remediation is urgent due to the variety of attack vectors and potential impact on confidentiality and availability.
- Action
- Update to the latest version of Dovecot.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Dovecot: Multiple vulnerabilitiescert-bund · 2026-07-17
External references
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[](https://www.csirts.com/cve/CVE-2026-27860)