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High 7.5Published Oct 9, 2026

CVE-2026-100227Apache CXF: XML Signature wrapping in JAX-RS XML Security

Updated under an hour ago ()

Does this affect you?

It affects Apache Software Foundation Apache CXF and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.33%, higher than 24% of scored CVEs.

Improper Verification of Cryptographic Signature vulnerability in Apache CXF's JAX-RS XML Security module. The JAX-RS XML Signature interceptors (XmlSigInHandler, XmlSigInInterceptor and the streaming XmlSecInInterceptor) did not ensure that the XML passed to the application was covered by the signature. An attacker with any document signed by a trusted key could wrap it in unsigned content, which the application would then treat as signed. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue.

CVSS
7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE)
CWE-362
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.33% (percentile 24)
Assigned by
apache
NVD analysis
Analyzed
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
apache cxf
apache:cxf
before 3.6.13; from 4.0.0 before 4.1.9; from 4.2.0 before 4.2.4
NVD

References

  • vendor-advisory, issue-tracking, mailing-list
  • mailing-list, third-party-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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