CVE-2026-34483
3 advisories.
Maven/org.apache.tomcat:tomcat-catalina CVE-2026-34483: high 7.5
Apache Tomcat has an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve
Action: Upgrade org.apache.tomcat:tomcat-catalina to 9.0.116 (9.x), 10.1.54 (10.x) or 11.0.21 (11.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 9.0.40 | 9.0.116 | - |
| 10.1.0-M1 | 10.1.54 | - |
| 11.0.0-M1 | 11.0.21 | - |
Fixed versions
| 9.0.116 | 10.1.54 | 11.0.21 |
Sources
- osv: GHSA-rv64-5gf8-9qq8
- https://nvd.nist.gov/vuln/detail/CVE-2026-34483
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/j1w7304yonlr8vo1tkb5nfs7od1y228b
- http://www.openwall.com/lists/oss-security/2026/04/09/26
CVE-2026-34483 · published · modified · JSON
Maven/org.apache.tomcat:tomcat CVE-2026-34483: high 7.5
Apache Tomcat has an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve
Action: Upgrade org.apache.tomcat:tomcat to 9.0.116 (9.x), 10.1.54 (10.x) or 11.0.21 (11.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 9.0.40 | 9.0.116 | - |
| 10.1.0-M1 | 10.1.54 | - |
| 11.0.0-M1 | 11.0.21 | - |
Fixed versions
| 9.0.116 | 10.1.54 | 11.0.21 |
Sources
- osv: GHSA-rv64-5gf8-9qq8#Maven/org.apache.tomcat:tomcat
- https://nvd.nist.gov/vuln/detail/CVE-2026-34483
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/j1w7304yonlr8vo1tkb5nfs7od1y228b
- http://www.openwall.com/lists/oss-security/2026/04/09/26
CVE-2026-34483 · published · modified · JSON
Maven/org.apache.tomcat.embed:tomcat-embed-core CVE-2026-34483: high 7.5
Apache Tomcat has an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve
Action: Upgrade org.apache.tomcat.embed:tomcat-embed-core to 9.0.116 (9.x), 10.1.54 (10.x) or 11.0.21 (11.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 9.0.40 | 9.0.116 | - |
| 10.1.0-M1 | 10.1.54 | - |
| 11.0.0-M1 | 11.0.21 | - |
Fixed versions
| 9.0.116 | 10.1.54 | 11.0.21 |
Sources
- osv: GHSA-rv64-5gf8-9qq8#Maven/org.apache.tomcat.embed:tomcat-embed-core
- https://nvd.nist.gov/vuln/detail/CVE-2026-34483
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/j1w7304yonlr8vo1tkb5nfs7od1y228b
- http://www.openwall.com/lists/oss-security/2026/04/09/26
CVE-2026-34483 · published · modified · JSON