CVE-2026-89238
CRITICAL
CVSS 9.1
Published: 2026-09-30
Modified: 2026-09-30
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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.
Quick Facts
| CVE ID | CVE-2026-89238 |
| CVSS Score | 9.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| Published | 2026-09-30 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |