SSRF in Aliyun Alibabacloud-Dataworks-Mcp-Server
CVE-2026-19339
A security flaw has been discovered in aliyun alibabacloud-dataworks-mcp-server up to 1.0.43. The impacted element is the function ReadResourceRequestSchema of the file src/resources/initResources.ts. The manipulation of the argument request.params.uri results in server-side request forgery. The attack may be launched remotely. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Aliyun Alibabacloud-Dataworks-Mcp-Server — versions 1.0.0, 1.0.1, 1.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/387175 (technical-description, vdb-entry)
- vuldb.com/vuln/387175/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19339 (third-party-advisory)
- vuldb.com/submit/865263 (third-party-advisory)
- github.com/aliyun/alibabacloud-dataworks-mcp-server/issues/27 (issue-tracking)
- github.com/aliyun/alibabacloud-dataworks-mcp-server/ (product)
Frequently asked questions
- What is CVE-2026-19339?
- CVE-2026-19339 is a medium-severity vulnerability in Aliyun Alibabacloud-Dataworks-Mcp-Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-08-09.
- How severe is CVE-2026-19339?
- Medium severity. CVSS v3 base score is 6.3 out of 10.