CVE-2026-76171 Apache James: SSRF filter bypass in the JMAP PushSubscription web-push client

CriticalCVSS 9.1

Published: 2026-11-06 13:42
Updated: 2026-11-10 20:45
Exploit status: No public exploit known

Description

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.

Affected products

Product	Affected versions	Fixed in
Apache James	>= 3.9.0, < 3.9.1	3.9.1

References

lists.apache.org vendor-advisory
www.openwall.com

CVSS v3.1

9.1 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: None

Weakness & likelihood

EPSS (exploitation probability, 30 days): Not available
CWE: CWE-918 Server-Side Request Forgery (SSRF)

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.