Vulnerability Details CVE-2026-89238
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 10.8%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2026-89238
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cpe:2.3:a:apache:wss4j:1.0.0
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cpe:2.3:a:apache:wss4j:1.1.0
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cpe:2.3:a:apache:wss4j:1.5.0
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cpe:2.3:a:apache:wss4j:1.5.1
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cpe:2.3:a:apache:wss4j:1.5.10
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cpe:2.3:a:apache:wss4j:1.5.11
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cpe:2.3:a:apache:wss4j:1.5.12
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cpe:2.3:a:apache:wss4j:1.5.2
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cpe:2.3:a:apache:wss4j:1.5.3
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cpe:2.3:a:apache:wss4j:1.5.4
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cpe:2.3:a:apache:wss4j:1.5.5
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cpe:2.3:a:apache:wss4j:1.5.6
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cpe:2.3:a:apache:wss4j:1.5.7
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cpe:2.3:a:apache:wss4j:1.5.8
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cpe:2.3:a:apache:wss4j:1.5.9
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cpe:2.3:a:apache:wss4j:1.6.0
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cpe:2.3:a:apache:wss4j:1.6.1
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cpe:2.3:a:apache:wss4j:1.6.10
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cpe:2.3:a:apache:wss4j:1.6.11
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cpe:2.3:a:apache:wss4j:1.6.12
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cpe:2.3:a:apache:wss4j:1.6.13
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cpe:2.3:a:apache:wss4j:1.6.14
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cpe:2.3:a:apache:wss4j:1.6.15
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cpe:2.3:a:apache:wss4j:1.6.16
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cpe:2.3:a:apache:wss4j:1.6.17
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cpe:2.3:a:apache:wss4j:1.6.2
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cpe:2.3:a:apache:wss4j:1.6.3
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cpe:2.3:a:apache:wss4j:1.6.4
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cpe:2.3:a:apache:wss4j:1.6.5
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cpe:2.3:a:apache:wss4j:1.6.6
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cpe:2.3:a:apache:wss4j:1.6.7
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cpe:2.3:a:apache:wss4j:1.6.8
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cpe:2.3:a:apache:wss4j:1.6.9
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cpe:2.3:a:apache:wss4j:2.0
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cpe:2.3:a:apache:wss4j:2.0.0
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cpe:2.3:a:apache:wss4j:2.0.1
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cpe:2.3:a:apache:wss4j:2.0.10
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cpe:2.3:a:apache:wss4j:2.0.2
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cpe:2.3:a:apache:wss4j:2.0.3
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cpe:2.3:a:apache:wss4j:2.0.4
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cpe:2.3:a:apache:wss4j:2.0.5
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cpe:2.3:a:apache:wss4j:2.0.6
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cpe:2.3:a:apache:wss4j:2.0.7
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cpe:2.3:a:apache:wss4j:2.0.8
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cpe:2.3:a:apache:wss4j:2.0.9
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cpe:2.3:a:apache:wss4j:2.1.0
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cpe:2.3:a:apache:wss4j:2.1.1
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cpe:2.3:a:apache:wss4j:2.1.10
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cpe:2.3:a:apache:wss4j:2.1.11
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cpe:2.3:a:apache:wss4j:2.1.12
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cpe:2.3:a:apache:wss4j:2.1.2
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cpe:2.3:a:apache:wss4j:2.1.3
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cpe:2.3:a:apache:wss4j:2.1.4
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cpe:2.3:a:apache:wss4j:2.1.5
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cpe:2.3:a:apache:wss4j:2.1.6
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cpe:2.3:a:apache:wss4j:2.1.7
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cpe:2.3:a:apache:wss4j:2.1.8
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cpe:2.3:a:apache:wss4j:2.1.9
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cpe:2.3:a:apache:wss4j:2.2.0
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cpe:2.3:a:apache:wss4j:2.2.1
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cpe:2.3:a:apache:wss4j:2.3.1
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cpe:2.3:a:apache:wss4j:3.0.0
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cpe:2.3:a:apache:wss4j:4.0.0