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CVE-2026-34483 (GCVE-0-2026-34483)

Vulnerability from cvelistv5 – Published: 2026-04-09 19:30 – Updated: 2026-04-10 20:17
VLAI
Title
Apache Tomcat: Incomplete escaping of JSON access logs
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-10 20:16 UTC
CWE
  • CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.20 (semver)
Affected: 10.1.0-M1 , ≤ 10.1.53 (semver)
Affected: 9.0.40 , ≤ 9.0.116 (semver)
Affected: 8.5.84 , ≤ 8.5.100 (semver)
Unaffected: 0 , ≤ 8.5.83 (semver)
guessed Create a notification for this product.
Credits
Bartlomiej Dmitruk, striga.ai
Show details on NVD website
To clipboard 

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