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HIGH severity

CVE-2016-5002 — xmlrpc

HIGH

CVE-2016-5002 is a high-severity (CVSS 7.8) XML External Entity (XXE) vulnerability in org.apache.xmlrpc:xmlrpc. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Apache XML-RPC XXE Vulnerability

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
8.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs95th percentile — riskier than 95% of all scored CVEsHighest risk
2.11%4.64%7.17%9.70%3.5%8.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.apache.xmlrpc:xmlrpc

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

XML external entity (XXE) vulnerability in the Apache XML-RPC (aka ws-xmlrpc) library 3.1.3, as used in Apache Archiva, allows remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted DTD.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.xmlrpc:xmlrpcall versionsNo fix

Affected Products

1 product · 1 configurations
Application
xml-rpcapache
1 version
3.1.3

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.xmlrpc:xmlrpc, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of org.apache.xmlrpc:xmlrpc for CVE-2016-5002. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Restrict outbound requests from the affected component to an allowlist of hosts, block access to link-local and internal address ranges at the network layer, and require authentication on internal services so a forged request cannot reach them unauthenticated.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatModerate
ProductFixed inAdvisory
Red Hat Fuse 7.2camelRHSA-2018:3768

Frequently Asked Questions

XML external entity (XXE) vulnerability in the Apache XML-RPC (aka ws-xmlrpc) library 3.1.3, as used in Apache Archiva, allows remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted DTD.
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CVE-2016-5002: xmlrpc: Apache XML-RPC XXE Vulnerability