CVE-2026-92414: Apache Jackrabbit: Pre-auth hijack of cached sessions via derivable WebDAV lock tokens

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-07 · updated 2026-10-13
Weakness: CWE-384

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.

Affected products

Apache Software Foundation Apache Jackrabbit: from 2.20.0 before 2.20.18; from 2.22.0 before 2.22.5; from 2.23.0 before 2.23.6 — fixed in 2.20.18, 2.22.5, 2.23.6

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Jackrabbit 2.20.18, 2.22.5, 2.23.6. Check the vendor advisory for mitigations.

References

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