CVE-2017-15886

medium
Published 2017-12-28 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v2
4.0
VIR risk
6.5

Description

Server-side request forgery (SSRF) vulnerability in Link Preview in Synology Chat before 2.0.0-1124 allows remote authenticated users to download arbitrary local files via a crafted URI.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@synology.com — https://www.synology.com/en-global/support/security/Synology_SA_17_78

Application impact

VendorProductVersionsFixed
synologychat{"endExcluding":"2.0.0-1124"}2.0.0-1124

References

CWEs

CWE-918

Verify integrity in audit chain (admin only). AS-IS.