---
id: CVE-2026-78415
title: >-
  IBM Sterling Secure Proxy 6.2.0.0 through 6.2.1.2 could allow a remote
  authenticated attacker to perform UI spoofing and phishing attacks due to
  improper neutralization of user-supplied HTML markup.
summary: >-
  IBM Sterling Secure Proxy 6.2.0.0 through 6.2.1.2 could allow a remote
  authenticated attacker to perform UI spoofing and phishing attacks due to
  improper neutralization of user-supplied HTML markup.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: IBM
product: Sterling Secure Proxy
affected:
  - sterling_secure_proxy >= 6.2.0.0 <= 6.2.1.2
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:24:58.293'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78415'
references:
  - url: 'https://www.ibm.com/support/pages/node/7287369'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00306
epssPercentile: 0.20799
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T17:24:13.080037Z'
ingestedAt: '2026-09-14T21:15:17.460Z'
---

## Overview

IBM Sterling Secure Proxy 6.2.0.0 through 6.2.1.2 could allow a remote authenticated attacker to perform UI spoofing and phishing attacks due to improper neutralization of user-supplied HTML markup.

## Remediation

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