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Maven

CVE-2019-18393

MEDIUM

CVE-2019-18393 is a medium-severity (CVSS 5.3) Path Traversal vulnerability in org.igniterealtime.openfire:parent. O3 Security confirms whether CVE-2019-18393 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Ignite Realtime Openfire directory traversal vulnerability

Also known asGHSA-59h8-h34r-q9cv
Published
Oct 24, 2019
Updated
Jul 8, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
org.igniterealtime.openfire:parent

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

PluginServlet.java in Ignite Realtime Openfire through 4.4.2 does not ensure that retrieved files are located under the Openfire home directory, aka a directory traversal vulnerability.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
Mavenorg.igniterealtime.openfire:parentall versions4.5.0-beta

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.igniterealtime.openfire:parent. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update org.igniterealtime.openfire:parent to 4.5.0-beta or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-18393 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2019-18393 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2019-18393. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

PluginServlet.java in Ignite Realtime Openfire through 4.4.2 does not ensure that retrieved files are located under the Openfire home directory, aka a directory traversal vulnerability.
O3 Security · Impact-Aware SCA

Is CVE-2019-18393 in your dependencies?

O3 detects CVE-2019-18393 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.