MajorCritical vulnerability
CVE-2026-12977 (CVSS 8.8)
NVD · officialPublished Nov 9, 2026Risk 37/100
A flaw was found in the deployment-operation family of WildFly Core. Certain handlers, such as upload-deployment-url, lack proper sensitivity classification, allowing an administrator with the restricted "Maintainer" role to read sensitive configuration files. This can lead to the exfiltration of credentials and full administrative control (SuperUser) of the server.
Technical details
CVSS
8.8
AV:NetworkAC:LowPR:LowUI:NoneC:HighI:HighA:High
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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