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CVE-2026-79650

6.1 · MEDIUM

Apache CXF’s OIDC relying-party component could redirect users to an attacker-controlled URL after successful authentication.

Published Oct 9, 2026apacheCWE-601EPSS 0.36%

Overview

CVE-2026-79650 is a medium-severity vulnerability affecting apache cxf. It was published on October 9, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Apache CXF’s OIDC relying-party component could redirect users to an attacker-controlled URL after successful authentication. The issue occurs because attacker-controlled state parameters are preserved and later used as redirect targets without validating that the final decoded URI belongs to the RP’s origin. Both directly encoded and double-encoded external URLs can trigger the issue, depending on which validation path is used. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue.

Remediation

Check the references section for vendor advisories and patches from apache. Update cxf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
apachecxf>= 0, < 3.6.13Affected

References

Reflists.apache.org/thread.html/xj0x1r617j1z8jtyypngvwhckb3o205hRefwww.openwall.com/lists/oss-security/2026/10/09/7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-79650?

CVE-2026-79650 is a medium-severity vulnerability affecting apache cxf. It was published on October 9, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2026-79650?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-79650?

Check the references section for vendor advisories and patches from apache. Update cxf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-79650?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-79650 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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