SB2026092416 - Multiple vulnerabilities in IBM InfoSphere Optim Archive Viewer

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Main Vulnerability Database SB2026092416

SB2026092416 - Multiple vulnerabilities in IBM InfoSphere Optim Archive Viewer

Published: September 24, 2026

Security Bulletin ID SB2026092416
CSH Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 33% Medium 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Path traversal (CVE-ID: CVE-2026-24486)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when using non-default configuration options "UPLOAD_DIR" and "UPLOAD_KEEP_FILENAME=True". A remote attacker can send a specially crafted HTTP request and write arbitrary files on the system.


2) Excessive Iteration (CVE-ID: CVE-2026-40347)

CWE-ID: CWE-834 - Excessive Iteration

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to excessive iteration in multipart/form-data parsing when processing crafted multipart/form-data requests with large preamble or epilogue sections. A remote attacker can send an oversized malformed multipart body to cause a denial of service.

The issue degrades availability by consuming excessive CPU time during request parsing and delaying legitimate requests, but it does not typically result in a complete denial of service for the entire application.


3) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-42561)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits or throttling in the HEADER_FIELD_START, HEADER_FIELD, HEADER_VALUE_START, HEADER_VALUE and HEADER_VALUE_ALMOST_DONE headers. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References