{"id":86007,"date":"2025-12-10T16:08:08","date_gmt":"2025-12-10T16:08:08","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-53959-email-spoofing-vulnerability-in-jetbrains-youtrack","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53959-email-spoofing-vulnerability-in-jetbrains-youtrack\/","title":{"rendered":"CVE-2025-53959: Email Spoofing Vulnerability in JetBrains YouTrack<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The cybersecurity vulnerability CVE-2025-53959 affects JetBrains YouTrack versions before 2025.2.86069, 2024.3.85077, and 2025.1.86199. This vulnerability could permit email spoofing via an administrative API, leading to system compromise or data leakage. The potential impact of this vulnerability makes it critical for users and administrators to apply the necessary patches to secure their systems.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-53959
\nSeverity: High (7.6 CVSS)
\nAttack Vector: Network
\nPrivileges Required: Low
\nUser Interaction: None
\nImpact: System compromise and potential data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

JetBrains YouTrack | before 2025.2.86069, 2024.3.85077, 2025.1.86199<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of an email spoofing vulnerability in the administrative API of JetBrains YouTrack. An attacker with low privileges could potentially manipulate the API to send fraudulent emails appearing to come from legitimate sources, thus gaining unauthorized access or extracting sensitive data from the system.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a hypothetical example of how an HTTP request exploiting this vulnerability might look:<\/p>\n

POST \/api\/admin\/emailSpoof HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n\"spoof_email\": \"admin@legitimate.com\",\n\"target_email\": \"victim@target.com\",\n\"message\": \"Please click the following link to reset your password: maliciouslink.com\"\n}<\/code><\/pre>\n
Mitigation Guidance<\/strong><\/p>\n
Users and administrators are strongly advised to apply the vendor patch provided by JetBrains. For temporary mitigation, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help identify and block malicious requests exploiting this vulnerability. However, these are not long-term solutions and updating to a secure version of the software is highly recommended.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity vulnerability CVE-2025-53959 affects JetBrains YouTrack versions before 2025.2.86069, 2024.3.85077, and 2025.1.86199. This vulnerability could permit email spoofing via an administrative API, leading to system compromise or data leakage. The potential impact of this vulnerability makes it critical for users and administrators to apply the necessary patches to secure their systems. Vulnerability Summary […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86007","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t