CVE-2019-15630: Directory Traversal in APIkit, HTTP connector, and OAuth2 Provider components in MuleSoft Mule Runtime 3.2.0 a

This month

HIGH 7.5REMOTEMITIGATEUPGRADE

CVE-2019-15630 is a high-severity flaw (CVSS 7.5) affecting api gateway, mule runtime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory Traversal in APIkit, HTTP connector, and OAuth2 Provider components in MuleSoft Mule Runtime 3.2.0 and higher released before August 1 2019, MuleSoft Mule Runtime 4.1.0 and higher released before August 1 2019, and all versions of MuleSoft API Gateway released before August 1 2019 allow remote attackers to read files accessible to the Mule process.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-22
Published	2019-08-30
Last modified	2026-06-17

Publisher (CNA): Salesforce, Inc. · Vendor: mulesoft

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

Am I affected?

Timeline

2019-08-30 17:15 UTCPublished CVE record published
2026-06-17 02:20 UTCUpdated Record last modified

mulesoft api gateway MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy api-gateway || rpm -q api-gateway || api-gateway --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

mulesoft mule runtime UPGRADE

Affected: >= 3.2.0 and <= 3.9.3 · >= 4.1.0 and <= 4.2.1

Fixed in: newer than 4.2.1

Safe to downgrade to: a release before 3.2.0

1. Check installed version

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

2. UPGRADE to newer than 4.2.1 (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.

3. If no update is available yet, DOWNGRADE to a release before 3.2.0 (Debian / Ubuntu)

apt-cache madison mule-runtime sudo apt install mule-runtime=<VERSION_BEFORE_3.2.0> sudo apt-mark hold mule-runtime

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mule-runtime sudo dnf downgrade mule-runtime-<VERSION_BEFORE_3.2.0> sudo dnf versionlock add mule-runtime

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-15630?

api gateway: mitigate or apply the listed mitigation; mule runtime: upgrade to newer than 4.2.1. Exact commands for each OS are on this page.

Is CVE-2019-15630 being exploited?

CVE-2019-15630 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-2019-15630 affect?

CVE-2019-15630 affects api gateway, mule runtime. Severity is high (CVSS 7.5). Directory Traversal in APIkit, HTTP connector, and OAuth2 Provider components in MuleSoft Mule Runtime 3.2.0 and higher released before August 1 2019, MuleSoft Mule Runtime 4.1.0 and higher released before August 1 2019, and all versions of

How urgent is CVE-2019-15630?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

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References

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