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CVE-2026-92414

CRITICAL 9.3

Published 2026-10-07 · Last modified 2026-10-07

: 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.

ELEVATED IMPACT

Severe if exploited (CVSS 9.3), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.7%chance of exploitation in 30 days · 53rd percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

9.3CVSS 4.0 · CRITICAL

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable
  • ✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-92414/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-92414/poc.json

Affected

Vendors Apache Software Foundation Apache

Products Apache Jackrabbit Jackrabbit

Weakness (CWE)

  • CWE-384: : Session Fixation / Session Reuse across Users

CVSS vector

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

Known Affected Software Configurations

VendorProductVersion range
ApacheJackrabbit≥ 2.20.0 and < 2.20.18
ApacheJackrabbit≥ 2.22.0 and < 2.22.5
ApacheJackrabbit≥ 2.23.0 and < 2.23.6

All CVSS metrics

  • CRITICAL 9.3 v4.0 · CNA Primary
    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
  • CRITICAL 9.3 v4.0 · NVD Secondary
    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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  • CRITICAL 9.1 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Advisories

Sources: NVD · CVE.org · EPSS