What is CVE-2026-82044?

CVE-2026-82044 is a high-severity vulnerability in Utmstack, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-10-02.

How severe is CVE-2026-82044?

High severity. CVSS v3 base score is 7.7 out of 10.

SSRF in Utmstack

CVE-2026-82044

UTMStack before 11.2.16 contains a server-side request forgery vulnerability that allows authenticated attackers to make the server request arbitrary internal resources by supplying an unvalidated url parameter to the PdfService.downloadPdf() method exposed via GET /api/generate-pdf-report. Attackers can leverage this to force the web-pdf microservice to fetch internal backend endpoints, the OpenSearch cluster, or the cloud instance-metadata service, exposing sensitive internal data rendered into the returned PDF.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-02.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Utmstack

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/UTMStack/UTMStack/releases/tag/v11.2.16 (release-notes)
github.com/utmstack/UTMStack/commit/4e7a727c3b8d8e2ad020d3b4f982a6d085dbecdd (patch)
www.vulncheck.com/advisories/utmstack-server-side-request-forgery-via-downloadp… (third-party-advisory)

Frequently asked questions

What is CVE-2026-82044?: CVE-2026-82044 is a high-severity vulnerability in Utmstack, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-10-02.
How severe is CVE-2026-82044?: High severity. CVSS v3 base score is 7.7 out of 10.