CVE-2026-89238

criticalpriority · track · 0OT risk · elevatedEPSS 0.003 · 26 %ileUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (26th) EPSS

CVSS 9.1 · critical

Is it mine?

3 products

Check your exposure

Who says so?

1 sources

nvd

EPSS · scored 2026-10-28

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

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondaryexploitability 3.9 · impact 5.2

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-345US

affected products (3)

Products and version ranges known to be affected.

apache wss4j< 2.4.4nvdUScpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*
apache wss4j3.0.0 → 3.0.6nvdUScpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*
apache wss4j4.0.0 → 4.0.2nvdUScpe:2.3:a:apache:wss4j:*:*:*:*:*:*:*:*

sources

Which sources assert this record, and when.

nvd NVD CVE.org MITRE

published 2026-09-30modified 2026-10-06

references (2) nvd

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/09/30/11Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/1lv4hpl8kon1ns5txjnhn2m2sh9rl22wVendor AdvisoryMailing List

scry

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