CVE-2019-13116: The MuleSoft Mule Community Edition runtime engine before 3.8 allows remote attackers to execute arbitrary cod

Q: How do I fix CVE-2019-13116?

mule runtime: upgrade to 3.8.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-13116 being exploited?

CVE-2019-13116 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-13116 affect?

CVE-2019-13116 affects mule runtime. Severity is critical (CVSS 9.8). The MuleSoft Mule Community Edition runtime engine before 3.8 allows remote attackers to execute arbitrary code because of Java Deserialization, related to Apache Commons Collections

Q: How urgent is CVE-2019-13116?

Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-13116 is a critical-severity flaw (CVSS 9.8) affecting mule runtime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The MuleSoft Mule Community Edition runtime engine before 3.8 allows remote attackers to execute arbitrary code because of Java Deserialization, related to Apache Commons Collections

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	5.1% (top 8%)
CISA exploited list	No
Weakness	CWE-502
Published	2019-10-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mulesoft

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-10-16 20:15 UTCPublished CVE record published
2026-06-17 02:16 UTCUpdated Record last modified

mulesoft mule runtime UPGRADE

Affected: < 3.8.0

Fixed in: 3.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mule-runtime || rpm -q mule-runtime || mule-runtime --version

2. UPGRADE to 3.8.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mule-runtime

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mule-runtime

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-13116?

mule runtime: upgrade to 3.8.0. Exact commands for each OS are on this page.

Is CVE-2019-13116 being exploited?

CVE-2019-13116 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-13116 affect?

CVE-2019-13116 affects mule runtime. Severity is critical (CVSS 9.8). The MuleSoft Mule Community Edition runtime engine before 3.8 allows remote attackers to execute arbitrary code because of Java Deserialization, related to Apache Commons Collections

How urgent is CVE-2019-13116?

Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

Related CVEs

CVE-2020-6937 HIGH 7.5 UPGRADE A Denial of Service vulnerability in MuleSoft Mule CE/EE 3.8.x, 3.9.x, and 4.x released before April 7, 2020,
CVE-2019-15631 CRITICAL 9.8 UPGRADE UPGRADE Remote Code Execution vulnerability in MuleSoft Mule CE/EE 3.x and API Gateway 2.x released before October 31,
CVE-2019-15630 HIGH 7.5 MITIGATE UPGRADE Directory Traversal in APIkit, HTTP connector, and OAuth2 Provider components in MuleSoft Mule Runtime 3.2.0 a

References

← Back to latest CVEs