---
id: "CVE-2026-111247"
page: "https://infrastack.ai/live/CVE-2026-111247"
kind: "vulnerability"
aliases: ["CVE-2026-111247"]
title: "Realm role resolution treats user names as roles, granting extra access"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["jakarta-authorization", "realm-authentication", "runtime"]
not_affected_if: ["no-role-named-users", "no-self-registration"]
published_at: "2026-11-10T16:17:15+00:00"
first_seen_at: "2026-11-10T16:22:33+00:00"
updated_at: "2026-11-10T16:24:21+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111247", "first_seen_at": "2026-11-10T16:22:33+00:00"}]
exploit_sources: []
---

# Realm role resolution treats user names as roles, granting extra access

Link for people: https://infrastack.ai/live/CVE-2026-111247 (this .md is for agents)

When a realm-authenticated user is checked for roles, the user's own name is also counted as a role name alongside the realm's roles. An attacker who gets an account whose name matches a role name is granted that role wherever Jakarta Authorization policy is evaluated.

_Summary, check and fix written by a model from the sources; labelled as such._

## Fix

- Upgrade to `10.3.0` or `11.0.0-M2`, the versions the source names as fixed; the sources do not name the product.

## Timeline

- 2026-11-10T16:22:33+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-111247

## From the sources

When resolving security roles of a realm-authenticated caller, the caller's user name is also treated as a role name in addition to the roles assigned by the realm. An authenticated attacker who can obtain an account whose user name equals a role name, for example through self-registration, is granted that role wherever authorization is evaluated through the Jakarta Authorization policy. Users are recommended to upgrade to version 10.3.0 or 11.0.0-M2, which fix the issue.

---

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