Ce mail provient de l'extérieur, restons vigilants

=====================================================================


                            CERT-Renater

                Note d'Information No. 2026/VULN763
_____________________________________________________________________


DATE                : 16/07/2026

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Apache Tomcat versions prior to
                             11.0.24, 10.1.57, 9.0.120.
 
=====================================================================

https://lists.apache.org/thread/1j9dq67ll6mhwt0t656xo8v8l8sc18dt
https://lists.apache.org/thread/cyn13snnrpjlsczdqtmkcvgdxndsflql
_____________________________________________________________________



CVE-2026-59083 Apache Tomcat - Incorrect URL decoding in RewriteValve 
may allow security control bypass

Severity: Low

Vendor: The Apache Software Foundation

Versions Affected:
Apache Tomcat 11.0.0-M1 to 11.0.23
Apache Tomcat 10.1.0-M1 to 10.1.56
Apache Tomcat 9.0.0.M1 to 9.0.119
Older, unsupported versions may also be affected

Description:
Incorrect decoding of " " in rewritten URIs to " " could allow
security control bypass for some configurations.

Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.24 or later
- Upgrade to Apache Tomcat 10.1.57 or later
- Upgrade to Apache Tomcat 9.0.120 or later

History:
2026-07-14 Original advisory

References:
[1] https://tomcat.apache.org/security-11.html
[2] https://tomcat.apache.org/security-10.html
[3] https://tomcat.apache.org/security-9.html

_____________________________________________________________________


CVE-2026-59084 Apache Tomcat - EncryptInterceptor requirements not 
clearly documented

Severity: Low

Vendor: The Apache Software Foundation

Versions Affected:
Apache Tomcat 11.0.0-M1 to 11.0.23
Apache Tomcat 10.1.0-M1 to 10.1.56
Apache Tomcat 9.0.13 to 9.0.119
Older, unsupported versions may also be affected

Description:
The requirements to securely configure the EncryptInterceptor were not 
clearly documented.

Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.24 or later
- Upgrade to Apache Tomcat 10.1.57 or later
- Upgrade to Apache Tomcat 9.0.120 or later

Credit:
This issue was identified by:
- NDIx

History:
2026-07-14 Original advisory

References:
[1] https://tomcat.apache.org/security-11.html
[2] https://tomcat.apache.org/security-10.html
[3] https://tomcat.apache.org/security-9.html



=========================================================

+ CERT-RENATER        |    tel : 01-53-94-20-44         +
+ 23/25 Rue Daviel    |    fax : 01-53-94-20-41         +
+ 75013 Paris         |   email:cert@support.renater.fr +
=========================================================