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PatchSiren cyber security CVE debrief

CVE-2026-50628 Apache Software Foundation CVE debrief

CVE-2026-50628 is a vulnerability caused by a logic error in OAuthRequestFilter. This error leads to the filter rejecting legitimate requests that originate from the bound IP address, while it blindly allows requests from any other IP address. As a result, enabling this security feature inadvertently creates an inverse security check, potentially exposing systems to unauthorized access.

Vendor
Apache Software Foundation
Product
Apache CXF
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-08-07
Advisory published
2026-06-12
Advisory updated
2026-08-07

Who should care

Users of affected versions are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.

Technical summary

The vulnerability is caused by a logic error in OAuthRequestFilter, which is part of an unspecified product from an unknown vendor. The error results in an inverse security check when the feature is enabled.

Defensive priority

high

Recommended defensive actions

  • Upgrade to versions 4.2.2 or 4.1.7

Evidence notes

The CVE record was published on [cve-org] and additional details can be found on [nvd].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50628 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50628

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50628 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50628

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.