CVE-2026-89238Apache WSS4J: WSS4J EncryptedHeader child confusion causing wrong protected-header selection
Updated under an hour ago ()
Does this affect you?
It affects Apache Software Foundation Apache WSS4J and 1 other product. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.27%, higher than 17% of scored CVEs.
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Free account, 1 product
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.
- CVSS
- 9.1 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-345
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.27% (percentile 17)
- Assigned by
- apache
- NVD analysis
- Analyzed
- Record last updated
- Sep 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache WSS4J apache_software_foundation:apache_wss4j (from the name) | from 4.0.0 before 4.0.2; from 3.0.0 before 3.0.6; before 2.4.4 | CNA record |
apache wss4j apache:wss4j | before 2.4.4; from 3.0.0 before 3.0.6; from 4.0.0 before 4.0.2 | NVD |
References
- https://lists.apache.org/thread.html/1lv4hpl8kon1ns5txjnhn2m2sh9rl22wvendor-advisory, mailing-list
- http://www.openwall.com/lists/oss-security/2026/09/30/11mailing-list, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.