Vulnerability in Red Hat Enterprise Linux 8

[ Description ]Official description

A flaw was found in WildFly. A user with the `Monitor` role, which is the lowest standard Role-Based Access Control (RBAC) role, can exploit a path traversal vulnerability in the `take-snapshot` operation. By manipulating the `name` parameter, this user can write a copy of the server configuration to an arbitrary location. This allows the `Monitor` role to read back the server configuration, including sensitive credentials, which would otherwise be restricted by RBAC, leading to information disclosure.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund15 Oct 2026WID-SEC-2026-3987

  Red Hat WildFly: Vulnerability allows information disclosure Translated from German

  CVE-2026-84823

[ References ]References

• access.redhat.com/security/cve/CVE-2026-84823
• bugzilla.redhat.com/show_bug.cgi