Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') Affecting jackrabbit package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.55% (45th percentile)

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  • Snyk IDSNYK-DEBIAN13-JACKRABBIT-20563571
  • published8 Oct 2026
  • disclosed7 Oct 2026

Introduced: 7 Oct 2026

NewCVE-2026-92415  (opens in a new tab)
CWE-470  (opens in a new tab)

How to fix?

There is no fixed version for Debian:13 jackrabbit.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jackrabbit package and not the jackrabbit package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

— Use of Externally-Controlled Input to Select Classes or Code vulnerability in Apache Jackrabbit's WebDAV/Davex client.

A malicious WebDAV/DavEx server, or an attacker able to intercept the connection, can cause the client to instantiate arbitrary classes from its classpath, which can lead to arbitrary file creation or truncation.

Only applications that use jackrabbit-spi2dav (directly or through jackrabbit-jcr2dav) to connect to a remote repository are affected. Jackrabbit servers are not affected.

Category: unsafe reflection on wire data (HIGH).

This issue affects Apache Jackrabbit: from 2.23.0 through 2.23.5, from 2.22.0 through 2.22.4, from 2.20.0 through 2.20.17.

Users are recommended to upgrade to versions 2.23.6, 2.22.5, or 2.20.18 which fix the issue.

CVSS Base Scores

version 3.1