CVE-2026-89238

Apache WSS4J: WSS4J EncryptedHeader child confusion causing wrong protected-header selection

Published Sep 30, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
WSS4J EncryptedHeader child confusion could promote an attacker-controlled plaintext element as the decrypted header, leading to incorrect confidentiality coverage and possible policy bypass.
Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Weaknesses CWE-20
CWE-285
Type Values Removed Values Added
Weaknesses CWE-345
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache wss4j
Vendors & Products Apache
Apache wss4j
Type Values Removed Values Added
Weaknesses CWE-20
CWE-285
Type Values Removed Values Added
Description WSS4J EncryptedHeader child confusion could promote an attacker-controlled plaintext element as the decrypted header, leading to incorrect confidentiality coverage and possible policy bypass. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.
Title Apache WSS4J: WSS4J EncryptedHeader child confusion causing wrong protected-header selection
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Sep 30, 2026, 7:50 PM
Reserved
Sep 11, 2026, 10:07 AM
Status
Analyzed
Published
Sep 30, 2026, 1:17 PM
Modified
Oct 6, 2026, 5:26 PM