CVE-2026-87801
A NVD · · CVE-2026-87801
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key metrics
- CVSS
- 6.5
- EPSS
- 0%
Key insight
Beyond the patch information, the report provides no indication of active exploitation or specific attack campaigns.
Description
CVE-2026-87801 affects the API framework component of Synology DiskStation Manager in versions before 7.3.2-86009-5 and 7.4.1-90080-1. The vulnerability arises from the insertion of sensitive information into sent data and allows remote authenticated users to read arbitrary files. An attacker requires valid credentials but can then potentially view configuration or other files. There are no reports of active exploitation or KEV inclusion.
Risk score
- cvss base
- 65.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 65.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational