← Vulnerability feed

Vulnerability record · CVE-2026-13684 · published 18 September 2026

CVE-2026-13684: An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before …

An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.

9.8 CVSS 3.1 Critical EPSS 0.60% · top 53.5% CWE-116 · CWE-116 Awaiting Analysis
9.8CVSS 3.1 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
18 Sep 2026Last modified by NVD

Description

An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.synology.com/en-global/security/advisory/Synology_SA_26_13

Track CVE-2026-13684 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2026-20245Cisco Catalyst SD-WAN CLI command injection via crafted file uploadCisco Catalyst SD-WAN Controller, Manager and Validator fail to properly validate user-supplied input in the CLI, allowing an authenticated local att…KEVEPSS 25%analysed9.1CVE-2024-38475Apache HTTP Server mod_rewrite improper escaping enables code executionApache HTTP Server 2.4.59 and earlier has an improper output escaping flaw in mod_rewrite. Substitutions in server context that use a backreference o…KEVEPSS 100%analysed9.8CVE-2022-42948Cobalt Strike UI HTML injection leads to remote code executionCobalt Strike 4.7.1 fails to escape HTML tags rendered in its Swing UI components. Crafted HTML injected into that UI can execute code in the Cobalt …KEVEPSS 2.7%analysed6.1CVE-2022-24682Zimbra Collaboration Suite Calendar stored XSS via unescaped HTML attributesThe Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1) fails to escape HTML placed inside element attributes, all…KEVEPSS 31%analysed

Source: NIST National Vulnerability Database (record CVE-2026-13684), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.