UTMStack up to 11.2.15 PdfService /api/generate-pdf-report PdfService.downloadPdf url server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.70+

Summaryinfo

A vulnerability was found in UTMStack up to 11.2.15. It has been classified as problematic. This vulnerability affects the function PdfService.downloadPdf of the file /api/generate-pdf-report of the component PdfService. Performing a manipulation of the argument url results in server-side request forgery. This vulnerability is cataloged as CVE-2026-82044. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in UTMStack up to 11.2.15. This affects the function PdfService.downloadPdf of the file /api/generate-pdf-report of the component PdfService. The manipulation of the argument url with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-82044 since 08/27/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available.

Upgrading to version 11.2.16 eliminates this vulnerability.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.7
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: UTMStack 11.2.16

Timelineinfo

08/27/2026 CVE reserved
10/02/2026 +36 days Advisory disclosed
10/02/2026 +0 days VulDB entry created
10/02/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-82044 (🔒)
GCVE (CVE): GCVE-0-2026-82044
GCVE (VulDB): GCVE-100-413229

Entryinfo

Created: 10/02/2026 22:46
Changes: 10/02/2026 22:46 (78)
Complete: 🔍
Cache ID: 216::103

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