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Message-ID: <2ade8016-1e38-b3d0-7107-20b7c20f63f5@apache.org>
Date: Wed, 07 Oct 2026 15:07:32 +0000
From: Julian Reschke <reschke@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-92414: Apache Jackrabbit: Pre-auth hijack of cached
sessions via derivable WebDAV lock tokens
Severity:
CVSS 4.0: 9.3 (critical) CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected versions:
- Apache Jackrabbit 2.23.0 through 2.23.5
- Apache Jackrabbit 2.22.0 through 2.22.4
- Apache Jackrabbit 2.20.0 through 2.20.17
Description:
: Session Fixation / Session Reuse across Users vulnerability in Apache Jackrabbit.
Jackrabbit WebDAV server attaches a cached authenticated session on any Lock-Token/TransactionId/SubscriptionId/If-header field token match with
no credential check.
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.
Credit:
The Apache Software Foundation (finder)
Julian Reschke (analyst)
Claude Security (tool)
References:
https://jackrabbit.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-92414
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