---
title: "CVE-2026-53999: Radius - Broken Access Control"
description: "Radius < 0.58.0 contains a broken access control caused by deserialization of user-controlled radapp.io/status annotation without ownership verification, letting attackers with Deployment annotation modification permissions delete other tenants' container resources, exploit requires permission to modify Deployment annotations and knowledge of target Radius resource ID."
url: https://panop.io/threat-heartbeat/CVE-2026-53999/
---

# CVE-2026-53999 Radius - Broken Access Control

Radius < 0.58.0 contains a broken access control caused by deserialization of user-controlled radapp.io/status annotation without ownership verification, letting attackers with Deployment annotation modification permissions delete other tenants' container resources, exploit requires permission to modify Deployment annotations and knowledge of target Radius resource ID.

CVSS base score 7.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.05% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-53999)

## Details

Type

Broken Access Control

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-20](https://cwe.mitre.org/data/definitions/20.html)

## Vendor fix

Update to version 0.58.0 or later.

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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-53999](https://nvd.nist.gov/vuln/detail/CVE-2026-53999)
- [https://github.com/radius-project/radius/security/advisories/GHSA-fp5j-4fj2-4jvq](https://github.com/radius-project/radius/security/advisories/GHSA-fp5j-4fj2-4jvq)
- [https://github.com/radius-project/radius/commit/c4174fc205b838d5eab4f64b4909001ab08c0587](https://github.com/radius-project/radius/commit/c4174fc205b838d5eab4f64b4909001ab08c0587)
- [https://github.com/radius-project/radius/pull/11967](https://github.com/radius-project/radius/pull/11967)
- [https://github.com/radius-project/radius/releases/tag/v0.58.0](https://github.com/radius-project/radius/releases/tag/v0.58.0)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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