JBoss AS may expose root content if excluded-contexts list is mismatched

published 2020-03-10 6 y ago modified 2026-06-16 4 mo ago also GHSA-wq8g-hm94-5rqq , EUVD-2022-1860

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

JBoss AS 7 prior to 7.1.1 and mod_cluster do not handle default hostname in the same way, which can cause the excluded-contexts list to be mismatched and the root context to be exposed.

Patch / fix

fixed in 2

maven org.jboss.as:jboss-as-server 7.1.1.Final
redhat jboss_application_server 7.1.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-1094 updated 2026-08-04 cvss 5.0

mod_cluster registers and exposes the root context of a JBoss AS 7 server by default, despite ROOT being in the excluded-contexts list

Red Hat JBoss BRMS 5 security
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.jboss.as:jboss-as-server	>=7.0.0.Alpha1, <7.1.1.Final	7.1.1.Final

Affected products

n/a JBoss AS 7

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

bugzilla.redhat.com /show_bug.cgi?id=CVE-2012-1094
web, issue-tracking, vendor-advisory
access.redhat.com /security/cve/cve-2012-1094
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2012-1094
advisory

Sources

CVE List CVE-2012-1094
GitHub Advisory GHSA-wq8g-hm94-5rqq
NVD CVE-2012-1094

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary