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CVE-2026-76171

SSRF bypass in Apache James JMAP webPush before 3.9.1

CVSS 3.1
9.1 critical
EPSS
—
Published
·
Modified
Analyze CVE-2026-76171 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Improper validation in JMAP webPush SSRF check in Apache James server allows reaching internal addresses. This affects Apache James users running versions prior to 3.9.1 who enable the JMAP web-push client. Attackers can target internal network addresses via the web-push feature.

What to do: Upgrade to Apache James 3.9.1

ProductAffectedFixed in
Apache James< 3.9.13.9.1
Estimated exposure
nicheNo basis for an estimate.

Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.

Description · NVD

In 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.

Weakness
CWE-918
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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