CVE-2026-40685
A remote, anonymous attacker can exploit multiple vulnerabilities in Exim and cPanel/WHM to perform a denial of service attack, manipulate data, or disclose sensitive information.
CSIRTS triage
- What
- Multiple vulnerabilities in Exim and cPanel/WHM can be exploited by a remote, anonymous attacker to perform denial of service, manipulate data, or disclose sensitive information.
- Who is affected
- Deployments of Exim and cPanel/WHM are affected.
- Urgency
- Remediation is medium urgency as exploitation is not currently active but multiple vulnerabilities exist.
- Action
- Update to the latest versions of Exim and cPanel/WHM to address these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Exim and cPanel/WHM: Multiple vulnerabilitiescert-bund · 2026-07-28
External references
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[](https://www.csirts.com/cve/CVE-2026-40685)