CVE-2026-9548
Last modified
CVE-2026-9548 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write restricted files and conduct limited denial-of-service attacks in DSM.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write restricted files and conduct limited denial-of-service attacks in DSM.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Synology | Synology Chat Server | < 2.4.5-22148 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-9548?
How severe is CVE-2026-9548?
How do I fix CVE-2026-9548?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-9542A weakness has been identified in CodeAstro Leave Management…6.3
- CVE-2026-9543A vulnerability has been found in Totolink N300RH 6.1c.1353_…9.8
- CVE-2026-9544A vulnerability was found in Shenzhen Sixun Software Sixun S…7.3
- CVE-2026-9545In this scenario, libcurl first uses a proper HTTP/3 server …7.5
- CVE-2026-9546A vulnerability in libcurl caused the HTTP `Referer:` header…7.5
- CVE-2026-9547When a libcurl-based application performs transfers via `SCP…7.4
- CVE-2026-9549Stored cross-site scripting in the service discovery active …4.8
- CVE-2026-95499A flaw has been found in JosephChuks php-file-manager-with-c…7.3
- CVE-2026-9550A vulnerability was determined in Acrel Electrical EEMS Ente…7.3
- CVE-2026-95500A vulnerability has been found in JosephChuks php-file-manag…7.3
- CVE-2026-95501A vulnerability was found in mtrano APENCMS up to 6546096d35…4.3
- CVE-2026-95503A flaw was found in the Kerberos federation provider of Keyc…6.8
Are you affected by CVE-2026-9548?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
