CVE-2026-34483
Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.
- Affected products
- Apache Tomcat, Confluence, Red Os
- Apache Tomcat
- < 9.0.117, 10.1.54, 11.0.21
- Fix
- Available
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.5% (38th percentile)
- Weakness
- CWE-116
- NVD status
- Analyzed
- Published
- 2026-04-09
CVE-2026-34483 at NVD
No indexed exploits for CVE-2026-34483 yet
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No exploit for CVE-2026-34483 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.