SB2026060115 - IBM InfoSphere Optim Archive Viewer update for lxml

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Main Vulnerability Database SB2026060115

SB2026060115 - IBM InfoSphere Optim Archive Viewer update for lxml

Published: June 1, 2026

Security Bulletin ID SB2026060115
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) XML External Entity injection (CVE-ID: CVE-2026-41066)

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper restriction of xml external entity reference in iterparse() and ETCompatXMLParser() when parsing untrusted XML input. A remote attacker can send specially crafted XML input to disclose sensitive information.

The issue occurs when these parsers are used in the default configuration with resolve_entities=True.


Remediation

Install update from vendor's website.

References