Skip to main content
CVE-2026-87801VulnerabilityPublished

An insertion of sensitive information into sent data vulnerability in the API framework in Synology DiskStation

Source GCVE Database

0
Compare
Authoritative record:CVE-2026-87801· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium : upgrade to 7.4.1-90080-1 or 7.3.2-86009-5 when convenient.

Data as of 12 Nov 2026, 07:18 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (synology)CVSS 3.16.5
Patch
Available – fixed in 7.4.1-90080-1, 7.3.2-86009-5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Upgrade synology/diskstation-manager to 7.4.1-90080-1 or 7.3.2-86009-5.

Affected software

ProductAffectedFixed in
SynologyDiskStation Manager (DSM)Affected
  • >=7.4.1 <7.4.1-90080-1
  • >=7.3.2 <7.3.2-86009-5
Fixed in–
Synologysynology/diskstation-managerpkg:rpm/synology/diskstation-managerOther threatsAffected
  • >=7.3.2 <7.3.2-86009-5
  • >=7.4.1 <7.4.1-90080-1
Fixed in
  • 7.3.2-86009-5
  • 7.4.1-90080-1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Synology DiskStation Manager to version 7.3.2-86009-5, 7.4.1-90080-1, or later where this vulnerability is fixed. No other mitigation or workaround is indicated.

Description

A vulnerability in the API framework of Synology DiskStation Manager (DSM) before versions 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read arbitrary files by inserting sensitive information into sent data. This issue affects the confidentiality of data but does not impact integrity or availability.

References

Community reviews

Loading reviews…