# IBM Support

# Security Bulletin: Due to the use of Apache Tomcat, IBM ApplinX is vulnerable to multiple vulnerabilities.

### Security Bulletin

## Summary

Due to the use of Apache Tomcat, IBM ApplinX is vulnerable to a multiple vulnerabilities. Apache Tomcat has been updated within IBM ApplinX in order to address the vulnerabilities.

## Vulnerability Details

**CVEID:** [CVE-2025-46701](https://www.cve.org/CVERecord?id=CVE-2025-46701)

**DESCRIPTION:** Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCI servlet allows security constraint bypass of security constraints that apply to the pathInfo component of a URI mapped to the CGI servlet.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.6, from 10.1.0-M1 through 10.1.40, from 9.0.0.M1 through 9.0.104.

Users are recommended to upgrade to version 11.0.7, 10.1.41 or 9.0.105, which fixes the issue.

**CWE:** [CWE-178: Improper Handling of Case Sensitivity](https://cwe.mitre.org/data/definitions/178.html)

**CVSS Source:** CISA ADP

**CVSS Base score:** 7.3

**CVSS Vector:**(CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

**CVEID:** [CVE-2025-48976](https://www.cve.org/CVERecord?id=CVE-2025-48976)

**DESCRIPTION:** Allocation of resources for multipart headers with insufficient limits enabled a DoS vulnerability in Apache Commons FileUpload.

This issue affects Apache Commons FileUpload: from 1.0 before 1.6; from 2.0.0-M1 before 2.0.0-M4.

Users are recommended to upgrade to versions 1.6 or 2.0.0-M4, which fix the issue.

**CWE:** [CWE-770: Allocation of Resources Without Limits or Throttling](https://cwe.mitre.org/data/definitions/770.html)

**CVSS Source:** CISA ADP

**CVSS Base score:** 7.5

**CVSS Vector:**(CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

**CVEID:** [CVE-2025-48988](https://www.cve.org/CVERecord?id=CVE-2025-48988)

**DESCRIPTION:** Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

**CWE:** [CWE-770: Allocation of Resources Without Limits or Throttling](https://cwe.mitre.org/data/definitions/770.html)

**CVSS Source:** CISA ADP

**CVSS Base score:** 7.5

**CVSS Vector:**(CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

**CVEID:** [CVE-2025-49125](https://www.cve.org/CVERecord?id=CVE-2025-49125)

**DESCRIPTION:** Authentication Bypass Using an Alternate Path or Channel vulnerability in Apache Tomcat.  When using PreResources or PostResources mounted other than at the root of the web application, it was possible to access those resources via an unexpected path. That path was likely not to be protected by the same security constraints as the expected path, allowing those security constraints to be bypassed.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

**CWE:** [CWE-288: Authentication Bypass Using an Alternate Path or Channel](https://cwe.mitre.org/data/definitions/288.html)

**CVSS Source:** CISA ADP

**CVSS Base score:** 7.5

**CVSS Vector:**(CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

## Affected Products and Versions

|     |     |
| --- | --- |
| Affected Product(s) | Version(s) |
| IBM ApplinX | 11.1 |

## Remediation/Fixes

**IBM strongly recommends addressing the vulnerabilities now by upgrading IBM ApplinX.**

|     |     |     |
| --- | --- | --- |
| Product | Version | Remediation/Fix |
| IBM ApplinX | 11.1 | Download and apply the update from Fix Central [here](/content/support/fixcentral/swg/selectFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/IBM+ApplinX&release=11.1.0.5&platform=All&function=all/index.html). |

## Workarounds and Mitigations

None

## Get Notified about Future Security Bulletins

Subscribe to [My Notifications](/content/support/pages/node/718119/index.html) to be notified of important product support alerts like this.

### References

[Complete CVSS v3 Guide](http://www.first.org/cvss/user-guide "Link resides outside of ibm.com")

[On-line Calculator v3](http://www.first.org/cvss/calculator/3.0 "Link resides outside of ibm.com")

## Acknowledgement

## Change History

15 Jul 2025: Initial Publication

## Document Location

Worldwide

[{
  "Business Unit": {"code": "BU048", "label": "IBM Software"},
  "Product": {"code": "SSIMEV", "label": "IBM ApplinX"},
  "Component": "",
  "Platform": [{"code": "PF016", "label": "Linux"}, {"code": "PF033", "label": "Windows"}],
  "Version": "11.1",
  "Edition": "",
  "Line of Business": {"code": "LOB70", "label": "Z TPS"}
}]