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CVE-2026-49875

40
FAUCET Score

Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity resolution. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue.

First published: Jun 12, 2026Last modified: Jun 12, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 4.1.7CPE matchmatch criteria
cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*
>= 4.2.0, < 4.2.2CPE matchmatch criteria
cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 21st percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (1)

apacheapache:www.mail-archive.com/[email protected]/msg11235.html

CVE-2026-49875: Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils

Jun 11, 2026

References

access.redhat.com / errata/RHSA-2026:36839
access.redhat.com / errata/RHSA-2026:37390
access.redhat.com / security/cve/CVE-2026-49875
bugzilla.redhat.com / show_bug.cgi
security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-49875.json
openwall.com / lists/oss-security/2026/06/11/2
Mailing ListThird Party Advisory
lists.apache.org / thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o
Vendor Advisory