CVE-2026-40537: Server-Side Request Forgery (SSRF) in Synology DiskStation Manager (DSM)
CVE-2026-40537 is a server-side request forgery (SSRF) vulnerability in the PersonMail API of Synology DiskStation Manager (DSM). It affects certain versions before 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. The vulnerability allows remote authenticated users to obtain non-sensitive information. The CVSS score is 4.3, indicating a medium severity level.
AI Analysis
Technical Summary
This vulnerability in Synology DiskStation Manager's PersonMail API allows remote authenticated users to perform SSRF attacks, which can lead to the disclosure of non-sensitive information. The affected versions are DSM versions >=7.2.1 and <7.2.1-69057-10, >=7.2.2 and <7.2.2-72806-7, and >=7.3 and <7.3.2-86009-2. The vulnerability does not impact integrity or availability and requires authentication with low attack complexity and no user interaction.
Potential Impact
The impact is limited to disclosure of non-sensitive information. There is no impact on integrity or availability. The vulnerability requires remote authenticated access, limiting the attack surface. No known exploits in the wild have been reported.
Mitigation Recommendations
A fix is available in Synology DiskStation Manager versions 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. Users should upgrade to these or later versions to remediate the vulnerability. No additional mitigation actions are indicated.
CVE-2026-40537: Server-Side Request Forgery (SSRF) in Synology DiskStation Manager (DSM)
Description
CVE-2026-40537 is a server-side request forgery (SSRF) vulnerability in the PersonMail API of Synology DiskStation Manager (DSM). It affects certain versions before 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. The vulnerability allows remote authenticated users to obtain non-sensitive information. The CVSS score is 4.3, indicating a medium severity level.
CVSS v3.1
Score 4.3medium
Affected software
Synology
DiskStation Manager (DSM)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Synology DiskStation Manager's PersonMail API allows remote authenticated users to perform SSRF attacks, which can lead to the disclosure of non-sensitive information. The affected versions are DSM versions >=7.2.1 and <7.2.1-69057-10, >=7.2.2 and <7.2.2-72806-7, and >=7.3 and <7.3.2-86009-2. The vulnerability does not impact integrity or availability and requires authentication with low attack complexity and no user interaction.
Potential Impact
The impact is limited to disclosure of non-sensitive information. There is no impact on integrity or availability. The vulnerability requires remote authenticated access, limiting the attack surface. No known exploits in the wild have been reported.
Mitigation Recommendations
A fix is available in Synology DiskStation Manager versions 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. Users should upgrade to these or later versions to remediate the vulnerability. No additional mitigation actions are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- synology
- Date Reserved
- 2026-04-14T01:01:14.607Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aad1a3655bf5e2cf5ea35be
Added to database: 09/18/2026, 11:02:14 UTC
Last enriched: 09/18/2026, 11:16:38 UTC
Last updated: 09/18/2026, 11:21:27 UTC
Views: 6
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