CVE-2026-92877: XXE

Description

The JAXB factory methods historically relied solely on `FEATURE_SECURE_PROCESSING` to prevent XML External Entity (XXE) resolution. On JAXP implementations where that feature alone does not block external entity resolution, an attacker who can get untrusted XML unmarshalled through JAXB can read local files via out-of-band XXE.

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Weakness Type (CWE)

CWE-611 CWE-611

References

Other References

https://github.com/eclipse-ee4j/jaxb-ri/pull/2013 https://gitlab.eclipse.org/security/cve-assignment/-/work_items/310

Frequently Asked Questions

What is CVE-2026-92877? +

The JAXB factory methods historically relied solely on `FEATURE_SECURE_PROCESSING` to prevent XML External Entity (XXE) resolution. On JAXP implementations where that feature alone does not block external entity resolution, an attacker who can get untrusted XML unmarshalled through JAXB can read local files via out-of-band XXE.

How do I check if I'm vulnerable to CVE-2026-92877? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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