Logic Error in OAuth Request Filter Affects Apache Products
CVE-2026-50628

9.8CRITICAL

Key Information:

Vendor

Apache
Status
Apache Cxf
Vendor
CVE Published:
12 June 2026

What is CVE-2026-50628?

A logic flaw in the OAuthRequestFilter component allows unauthorized access by rejecting valid requests from the designated IP address while incorrectly permitting requests from any other IPs. This inversion of the intended security mechanism poses significant risks to the integrity of API interactions. Users are advised to upgrade to versions 4.2.2 or 4.1.7 to mitigate this vulnerability.

Affected Version(s)

Apache CXF 4.2.0 < 4.2.2

Apache CXF 0 < 4.1.7

References

https://lists.apache.org/thread/vb3ho8lf228gh90m1fpnohf20...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Guanping Zhang reported this vulnerability
.