CVE-2026-89238

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

State: Published
Severity: 9.1 Critical
Published: Sep 30, 2026
Updated: Sep 30, 2026
Reserved: Sep 11, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	CISA-ADP

Weaknesses

CWE-345 Insufficient Verification of Data Authenticity

Affected Products

Product	Versions
Apache WSS4JApache Software Foundation	4.0.0 to before 4.0.2Affected 3.0.0 to before 3.0.6Affected before 2.4.4Affected

References

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