CVE-2026-87830
Apache Software Foundation Apache WSS4J
- Apache Software Foundation Apache WSS4J
- Critical
- CVSS 9.1
- EPSS 0.22%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software Foundation Apache WSS4J | from 4.0.0, before 4.0.2; from 3.0.0, before 3.0.6; before 2.4.4 | 4.0.2, 3.0.6, 2.4.4 |
Advisories and fixes
- Vendor advisory lists.apache.org
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.1 (v3.1, scored by CISA-ADP)
- EPSS
- 0.22% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 26, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: yes. Technical impact: total. As of Sep 30, 2026.
- Weakness
- CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
- Vendor
- Apache Software Foundation, Apache WSS4J
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.