---
id: CVE-2026-123851
title: >-
  In JetBrains Junie GitHub Action before 1.6.4 prompt injection protection
  could be bypassed via HTML-encoded characters
summary: >-
  In JetBrains Junie GitHub Action before 1.6.4 prompt injection protection
  could be bypassed via HTML-encoded characters
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-180
vendor: JetBrains
product: Junie GitHub Action
affected:
  - junie_github_action < 1.6.4
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T20:40:18.140403Z'
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T20:40:24.753Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123851'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-11-06T16:57:43.361Z'
---

## Overview

In JetBrains Junie GitHub Action before 1.6.4 prompt injection protection could be bypassed via HTML-encoded characters

## Affected

- `junie_github_action < 1.6.4`

## Remediation

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