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CVE-2026-89238

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

0Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Track
exploitation probability
—
observed exploitation
nono source reports it
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.