Incomplete blacklist vulnerability in the servlet filter restriction mechanism in WildFly…
Priority MEDIUM 49CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
Incomplete blacklist vulnerability in the servlet filter restriction mechanism in WildFly (formerly JBoss Application Server) before 10.0.0.Final on Windows allows remote attackers to read the sensitive files in the (1) WEB-INF or (2) META-INF directory via a request that contains (a) lowercase or (b) "meaningless" characters.
Why it matters now
EPSS 0.14971 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed org.wildfly:wildfly-parent (Maven): 10.0.0.Finalorg.wildfly:wildfly-undertow (Maven): 10.0.0.Final
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.wildfly:wildfly-parent (Maven) | before 10.0.0.Final | 10.0.0.Final | Patch available | GHSA-9q87-22gr-r8qf |
| — | org.wildfly:wildfly-undertow (Maven) | before 10.0.0.Final | 10.0.0.Final | Patch available | GHSA-9q87-22gr-r8qf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.wildfly:wildfly-parent (Maven) Vendor— Affected before 10.0.0.Final Fixed in 10.0.0.Final Patch available GHSA-9q87-22gr-r8qf
- org.wildfly:wildfly-undertow (Maven) Vendor— Affected before 10.0.0.Final Fixed in 10.0.0.Final Patch available GHSA-9q87-22gr-r8qf
Remediation
- Fix · GHSA-9q87-22gr-r8qf org.wildfly:wildfly-parent (Maven) Fixed in 10.0.0.Final Advisory →
- Fix · GHSA-9q87-22gr-r8qf org.wildfly:wildfly-undertow (Maven) Fixed in 10.0.0.Final Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-0793
- 2026-10-03 Alias added: GHSA-9q87-22gr-r8qf
References
Exploit 1
Advisory 2
Other 6
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03784en_us
- http://packetstormsecurity.com/files/136323/Wildfly-Filter-Restriction-Bypass-Information-Disclosure.html
- https://security.netapp.com/advisory/ntap-20180215-0001/
- https://github.com/wildfly/wildfly
- https://security.netapp.com/advisory/ntap-20180215-0001
- https://www.exploit-db.com/exploits/39573
More Red Hat Jboss Wildfly Application Server vulnerabilities
- TI-2016-07810 Uncontrolled resource consumption in Red Hat wildfly CVSS 3.0HIGH 7.5
- TI-2015-02829 The Undertow module of WildFly 9.x before 9.0.0.CR2 and 10.x before 10.0.0.Alpha1 allows… CVSS 3.0HIGH 7.5
- TI-2016-04313 CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red… CVSS 3.0MEDIUM 6.1
- TI-2015-04356 Cross-site request forgery (CSRF) vulnerability in the Web Console (web-console) in Red… CVSS 2.0MEDIUM 6.8
- TI-2015-04382 The Web Console in Red Hat Enterprise Application Platform (EAP) before 6.4.4 and WildFly… CVSS 2.0MEDIUM 5.0
- TI-2018-00968 Improper input validation in Red Hat Wildfly CVSS 3.0MEDIUM 5.5
Sources
- CVE-2016-0793 · CVE Program
- CVE-2016-0793 · NVD
- FIRST EPSS
- GHSA-9q87-22gr-r8qf · GitHub Advisory Database · CC BY 4.0
- CVE-2016-0793 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences