---
id: CVE-2026-82477
title: >-
  In MITRE SAF Heimdall 2.11.6 through 2.13.x before 2.14.0, an SSRF issue
  allows remote attackers to access internal network resources via the Tenable
  proxy endpoint
summary: >-
  In MITRE SAF Heimdall 2.11.6 through 2.13.x before 2.14.0, an SSRF issue
  allows remote attackers to access internal network resources via the Tenable
  proxy endpoint. This occurs in apps/backend/src/tenable/tenable.controller.ts.
severity: medium
cvss: 5.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N'
cwe:
  - CWE-918
published: '2026-08-29'
updated: '2026-08-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82477'
references:
  - url: >-
      https://github.com/mitre/heimdall2/commit/b6a9cdb4fc01f96aaa1a77cc27d1d449b485937b
    label: cve@mitre.org
  - url: 'https://github.com/mitre/heimdall2/releases/tag/v2.14.0'
    label: cve@mitre.org
  - url: 'https://github.com/mitre/heimdall2/security/advisories/GHSA-g9vx-2rpf-gpch'
    label: cve@mitre.org
tags:
  - nvd
ingestedAt: '2026-08-30T07:49:08.897Z'
epss: 0.00475
epssPercentile: 0.38371
---

## Overview

In MITRE SAF Heimdall 2.11.6 through 2.13.x before 2.14.0, an SSRF issue allows remote attackers to access internal network resources via the Tenable proxy endpoint. This occurs in apps/backend/src/tenable/tenable.controller.ts.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.