What is CVE-2016-3088?

CVE-2016-3088 is a critical-severity vulnerability in Apache Activemq, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2016-06-01.

How severe is CVE-2016-3088?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-3088 known to be exploited?

Yes. CVE-2016-3088 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), indicating it is being actively exploited. 72 public proof-of-concept repositories are indexed.

Arbitrary file upload in Apache Activemq

CVE-2016-3088

The Fileserver web application in Apache ActiveMQ 5.x before 5.14.0 allows remote attackers to upload and execute arbitrary files via an HTTP PUT followed by an HTTP MOVE request.

Vulnerability class: Unrestricted File Upload

Published 2016-06-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.985 (99.9th percentile), scored 2026-10-15.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.985 · newest: 0.985 · change: 0.000

Affected products

Apache Activemq

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-02-10. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-08-10.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.zerodayinitiative.com/advisories/ZDI-16-356 (VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/42283/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.zerodayinitiative.com/advisories/ZDI-16-357 (VDB Entry, Third Party Advisory)
activemq.apache.org/security-advisories.data/CVE-2016-3088-announcement.txt (Vendor Advisory)
rhn.redhat.com/errata/RHSA-2016-2036.html (vendor-advisory, Third Party Advisory)
www.securitytracker.com/id/1035951 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
lists.apache.org/thread.html/a859563f05fbe7c31916b3178c2697165bd9bbf5a65d1cf62a… (mailing-list, Patch, Mailing List)
lists.apache.org/thread.html/f956ea38e4da2e2c1e7131e6f91e41754852f5a4861d1a14ca… (mailing-list, Mailing List, Issue Tracking)
lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3c… (Vendor Advisory, mailing-list, Mailing List)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2016-3088?: CVE-2016-3088 is a critical-severity vulnerability in Apache Activemq, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2016-06-01.
How severe is CVE-2016-3088?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-3088 known to be exploited?: Yes. CVE-2016-3088 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), indicating it is being actively exploited. 72 public proof-of-concept repositories are indexed.