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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Jackrabbit | 2.23.0 – ≤ 2.23.5, 2.22.0 – ≤ 2.22.4, 2.20.0 – ≤ 2.20.17 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | jackrabbit | No fix yet | — |
| Debian 13 | jackrabbit | No fix yet | — |
| Debian 12 | jackrabbit | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | jackrabbit | No fix yet | — |
| Ubuntu 26.04 LTS | jackrabbit | No fix yet | — |
| Ubuntu 24.04 LTS | jackrabbit | No fix yet | — |
| Ubuntu 22.04 LTS | jackrabbit | No fix yet | — |
| Ubuntu 20.04 LTS | jackrabbit | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | jackrabbit | No fix yet | — |
| Ubuntu 16.04 LTS | jackrabbit | No fix yet | — |
| Ubuntu 14.04 LTS | jackrabbit | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
fixedbyreboot/CVE-2026-92414-POC ★ 0 · Nov 10, 2026
POC for CVE-2026-92414 - Apache Jackrabbit WebDAV preauth session hijack via derivable lock tokens. Verified against 2.22.4, control on fixed 2.22.5.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2026-3816 Apache Jackrabbit: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 7, 2026