CVE-2026-59083
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 <= 11.0.23 | affected |
| Apache Software Foundation | Apache Tomcat | 10.1.0-M1 <= 10.1.56 | affected |
| Apache Software Foundation | Apache Tomcat | 9.0.0.M1 <= 9.0.119 | affected |
| Apache Software Foundation | Apache Tomcat | 8.5.0 <= 8.5.100 | affected |
| Apache Software Foundation | Apache Tomcat | 0 < 8.0.0 | unaffected |
Weaknesses
- CWE-177: CWE-177 Improper Handling of URL Encoding (Hex Encoding)
ADP Enrichment
CVE Program Container
Additional References
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
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