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Medium 6.1Published Oct 9, 2026

CVE-2026-79650Apache CXF: OIDC RP Open Redirect

Updated under an hour ago ()

Does this affect you?

It affects Apache Software Foundation Apache CXF. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.1 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-601
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
apache
NVD analysis
Undergoing Analysis
Record last updated
Oct 15, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Apache Software Foundation Apache CXF
apache_software_foundation:apache_cxf (from the name)
from 4.2.0 before 4.2.4; from 4.0.0 before 4.1.9; before 3.6.13
CNA record

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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