CVE-2026-92414

EUVD-2026-94406

07.10.2026, 16:19

: 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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
apache	CNA	9.3 CRITICAL	NETWORK	LOW	NONE	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

Base Score

CVSS 3.x

EPSS Score

Percentile: 48.1%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
apache	jackrabbit	2.23.0 ≤ 𝑥 ≤ 2.23.5	CNA
apache	jackrabbit	2.22.0 ≤ 𝑥 ≤ 2.22.4	CNA
apache	jackrabbit	2.20.0 ≤ 𝑥 ≤ 2.20.17	CNA

Debian Releases

Debian Product

Codename

jackrabbit

bookworm	vulnerable
forky	vulnerable
sid	vulnerable
trixie	vulnerable

Ubuntu Releases

Ubuntu Product

Codename

jackrabbit

bionic	needs-triage
focal	needs-triage
jammy	needs-triage
noble	needs-triage
resolute	needs-triage
trusty	needs-triage
xenial	needs-triage

Common Weakness Enumeration

CWE-384 - Session Fixation
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

Vulnerability Media Exposure

[GERMAN] Apache Jackrabbit: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache Jackrabbit ausnutzen, um Sicherheitsvorkehrungen zu umgehen und Dateien zu manipulieren.
Published: 2026-10-07T22:00:00+00:00

References

https://lists.apache.org/thread.html/gmbsmrs2lycl9nld7rd0h1r1fc4t75qr

http://www.openwall.com/lists/oss-security/2026/10/07/27