UTMStack before 11.2.16 contains a server-side request forgery vulnerability that allows authenticated attackers to make the server request… (CVE-2026-82044)
UTMStack versions prior to 11.2.16 contain a server-side request forgery (SSRF) vulnerability. Authenticated attackers can exploit this flaw by supplying an unvalidated URL parameter to the PdfService.downloadPdf() method via the GET /api/generate-pdf-report endpoint. This allows the attacker to make the server request arbitrary internal resources, potentially exposing sensitive internal data rendered into the generated PDF report.
AI Analysis
Technical Summary
CVE-2026-82044 describes an SSRF vulnerability in UTMStack prior to version 11.2.16. The vulnerability arises from insufficient validation of a URL parameter supplied to the PdfService.downloadPdf() method, which is exposed via the GET /api/generate-pdf-report endpoint. Authenticated attackers can leverage this to force the web-pdf microservice to fetch internal backend services, including OpenSearch and cloud instance metadata services, causing sensitive internal data to be included in the generated PDF output. The CVSS v3.1 base score is 7.7, indicating a high impact on confidentiality with no impact on integrity or availability.
Potential Impact
The vulnerability allows authenticated attackers to perform SSRF attacks that can expose sensitive internal data by forcing the server to request internal resources and render their contents into PDF reports. This compromises confidentiality but does not affect integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in UTMStack version 11.2.16. Users should upgrade to version 11.2.16 or later to remediate this vulnerability. No additional mitigation guidance is provided or required beyond applying the official patch.
UTMStack before 11.2.16 contains a server-side request forgery vulnerability that allows authenticated attackers to make the server request… (CVE-2026-82044)
Description
UTMStack versions prior to 11.2.16 contain a server-side request forgery (SSRF) vulnerability. Authenticated attackers can exploit this flaw by supplying an unvalidated URL parameter to the PdfService.downloadPdf() method via the GET /api/generate-pdf-report endpoint. This allows the attacker to make the server request arbitrary internal resources, potentially exposing sensitive internal data rendered into the generated PDF report.
CVSS v3.1
Score 7.7high
Affected software
pkg:github/utmstack/UTMStackRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82044 describes an SSRF vulnerability in UTMStack prior to version 11.2.16. The vulnerability arises from insufficient validation of a URL parameter supplied to the PdfService.downloadPdf() method, which is exposed via the GET /api/generate-pdf-report endpoint. Authenticated attackers can leverage this to force the web-pdf microservice to fetch internal backend services, including OpenSearch and cloud instance metadata services, causing sensitive internal data to be included in the generated PDF output. The CVSS v3.1 base score is 7.7, indicating a high impact on confidentiality with no impact on integrity or availability.
Potential Impact
The vulnerability allows authenticated attackers to perform SSRF attacks that can expose sensitive internal data by forcing the server to request internal resources and render their contents into PDF reports. This compromises confidentiality but does not affect integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in UTMStack version 11.2.16. Users should upgrade to version 11.2.16 or later to remediate this vulnerability. No additional mitigation guidance is provided or required beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-hg4r-wjvj-4cww
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-82044"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6ac139b9a43b0b3b89d69d31
Added to database: 10/03/2026, 17:22:01 UTC
Last enriched: 10/03/2026, 17:42:12 UTC
Last updated: 10/03/2026, 22:35:38 UTC
Views: 6
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