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Vulnerability record · CVE-2026-50628 · published 12 June 2026

CVE-2026-50628: Apache cxf improper input validation vulnerability

Apache · Cxf

A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

9.8 CVSS 3.1 Critical EPSS 1.0% · top 38.0% CWE-20 · Improper input validationCWE-358 · CWE-358
9.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
7 Aug 2026Last modified by NVD

Description

A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/vb3ho8lf228gh90m1fpnohf2008xrdxk Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/11/5 Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2026:37390
https://access.redhat.com/security/cve/CVE-2026-50628
https://bugzilla.redhat.com/show_bug.cgi?id=2488302
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-50628.json

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-50628), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.