CVE-2026-76171 · Runtime
NO FIX YET · SEE WHAT TO DO
Apache James mail server before 3.9.1 fails to properly validate URLs in its JMAP web push feature. An attacker can make the server send requests to internal network addresses that should be unreachable from outside.
first public Nov 6, 2026 · 1 source
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Teams running Apache James server before 3.9.1 with the JMAP web push feature in use are exposed, since that is where the SSRF validation flaw sits. Deployments on 3.9.1 or later are not affected. The sources do not say whether web push is enabled by default.
Not affected if version-3.9.1-or-later
Who cares apache-james, jmap, mail-server, self-hosted
3.9.13.9.1In Apache James server prior version 3.9.1 improper validation in JMAP webPush SSRF validation did lead to the possibility to reach internal addresses. Users are recommended to upgrade to version 3.9.1 which fixes this issue.
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