Server-side request forgery in Apache James JMAP web push client
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
Apache James versions from 3.9.0 before 3.9.1 contain improper validation in the JMAP webPush server-side request forgery check (CWE-918). The flaw makes it possible to reach internal addresses through the server.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
Upgrade Apache James to version 3.9.1, which fixes this issue.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
- Fix · CNA Apache James (Apache Software Foundation) Fixed in 3.9.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apache James 3.9.1
6 records Highest priority Priority LOW 6 LOW
Other records, highest priority first
- TI-2026-85900 Unbounded resource allocation in Apache James MIME parsingPriority LOW 38
- TI-2026-85898 Path traversal in Apache James ManageSieve lets users write other users' scriptsPriority LOW 22
- TI-2026-85897 Apache James WebAdmin exposed without authentication in default Docker setupPriority LOW 22
Timeline
- 2026-11-06 Threatist record created from CVE-2026-76171
- 2026-11-06 Alias added: GHSA-qr8x-486x-7mhg
References
More Apache vulnerabilities
- TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
- TI-2024-30292 Apache OFBiz: Confused controller-view authorization logic (forced browsing) KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26062 Apache OFBiz: Unauthenticated endpoint could allow execution of screen rendering code KEVCVSS 3.1CRITICAL 9.8
- TI-2024-21190 Apache OFBiz: Path traversal leading to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2024-18186 Apache HugeGraph-Server: Command execution in gremlin KEVCVSS 3.1CRITICAL 9.8
- TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2026-76171 · CVE Program
- CVE-2026-76171 · NVD
- FIRST EPSS
- GHSA-qr8x-486x-7mhg · GitHub Advisory Database · CC BY 4.0
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