CVE-2026-71253
Apache Software Foundation Apache Johnzon
- Apache Software Foundation Apache Johnzon
- Critical
- CVSS 9.8
- EPSS 0.65%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software Foundation Apache Johnzon | from 2.0.0, before 2.2.0; from 1.0.0, before 1.3.1 | 2.2.0, 1.3.1 |
Advisories and fixes
- Vendor advisory lists.apache.org
- Patch github.com
- Patch github.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.8 (v3.1, scored by CISA-ADP)
- EPSS
- 0.65% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 23, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: yes. Technical impact: total. As of Oct 20, 2026.
- Weakness
- CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
- Vendor
- Apache Software Foundation, Apache Johnzon
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.