CVE-2026-35391
Published: Apr 6, 2026
Modified: Apr 7, 2026
Description
Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the getClientIP() function in lib/admin/session.ts trusted the first (leftmost) entry of the X-Forwarded-For header, which is fully controlled by the client. An attacker could forge their source IP address to bypass IP-based rate limiting (enabling brute-force attacks against the admin login) or forge audit log entries (making malicious activity appear to originate from arbitrary IP addresses). This vulnerability is fixed in 1.4.11.
| Vendor | Product | Versions |
|---|---|---|
bulwarkmail | webmail | affected < 1.4.11 |
Weaknesses (CWE)
References
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