CVE-2026-92877 JAXB - XML External Entity Injection

JAXB contains an XML External Entity (XXE) injection caused by insufficient protection relying only on FEATURE_SECURE_PROCESSING, letting attackers read local files via out-of-band XXE, exploit requires untrusted XML unmarshalling.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
XML External Entity Injection
Impact
File System Read, Information Disclosure
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-611

Vendor fix

Update to the latest version with proper XXE protections beyond FEATURE_SECURE_PROCESSING.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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