CVE-2016-3088: Apache ActiveMQ Improper Input Validation Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 10 Feb 2022, 2,080 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 98.5%
EPSS score, percentile 99.9 of all scored records
- How severe?
- 9.8 Critical
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
Required action (CISA), due 10 Aug 2022: Apply updates per vendor instructions.
- Which versions are affected?
Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply updates per vendor instructions.
CISA due date for this action: 10 August 2022.
Advisories and patches
Linked from CISA's catalog entry
Affected products and versions
The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
The Fileserver web application in Apache ActiveMQ allows remote attackers to upload and execute arbitrary files via an HTTP PUT followed by an HTTP MOVE request
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2016-3088 to its Known Exploited Vulnerabilities (KEV) catalog on 10 Feb 2022.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 10 Aug 2022.
- The CVE record was published on 1 Jun 2016, 2,080 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 98.5% (percentile 99.9), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 1 Jun 2016 | CVE record published |
| 10 Feb 2022 | Added to CISA KEV |
| 10 Aug 2022 | CISA due date for the required action |
| 21 Oct 2025 | CVE record last updated |
References
- 42283
- 1035951
- zerodayinitiative.com
- zerodayinitiative.com
- activemq.apache.org
- [activemq-commits] 20190327 svn commit: r1042639 - in /websites/production/activemq/content/activemq-website: ./ projects/artemis/download/ projects/classic/do…
- [activemq-users] 20190703 Re: ActiveMQ cve vulnerabilities seen in latest version
- [announce] 20200131 Apache Software Foundation Security Report: 2019
More exploited Apache vulnerabilities
- CVE-2016-3081: Apache Struts Command Injection Vulnerability
- CVE-2026-34486: Apache Tomcat Missing Encryption of Sensitive Data Vulnerability
- CVE-2026-34197: Apache ActiveMQ Improper Input Validation Vulnerability
- CVE-2024-38475: Apache HTTP Server Improper Escaping of Output Vulnerability
- CVE-2025-24813: Apache Tomcat Path Equivalence Vulnerability
- CVE-2024-45195: Apache OFBiz Forced Browsing Vulnerability