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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89238
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-30 13:17:21 UTC
Updated2026-09-30 20:17:35 UTC
DescriptionWSS4J 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.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Problem Types: CWE-345 | CWE-345 CWE-345 Insufficient Verification of Data Authenticity

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache WSS4J affected 4.0.0 4.0.2 semver Not specified
CNA Apache Software Foundation Apache WSS4J affected 3.0.0 3.0.6 semver Not specified
CNA Apache Software Foundation Apache WSS4J affected 2.4.4 semver Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread.html/1lv4hpl8kon1ns5txjnhn2m2sh9rl22w [email protected] lists.apache.org
www.openwall.com/lists/oss-security/2026/09/30/11 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Reported by n0mi1k (en)

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