Stirling-Tools Stirling-PDF up to 1.0.x PDF File Parser /api/v1/convert/file/pdf server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Stirling-Tools Stirling-PDF up to 1.0.x. Impacted is an unknown function of the file /api/v1/convert/file/pdf of the component PDF File Parser. This manipulation causes server-side request forgery. The identification of this vulnerability is CVE-2025-55151. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Stirling-Tools Stirling-PDF up to 1.0.x. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file /api/v1/convert/file/pdf of the component PDF File Parser. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, the "convert file to pdf" functionality (/api/v1/convert/file/pdf) uses LibreOffice's unoconvert tool for conversion, and SSRF vulnerabilities exist during the conversion process. This issue has been patched in version 1.1.0.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-55151 since 08/07/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 1.1.0 eliminates this vulnerability. Applying the patch 7d6b70871bad2a3ff810825f7382c49f55293943 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.6
CNA Vector (GitHub_M): 🔒

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

EPSS Score: 🔒
EPSS Percentile: 🔒

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: Stirling-PDF 1.1.0
Patch: 7d6b70871bad2a3ff810825f7382c49f55293943

Timelineinfo

08/07/2025 CVE reserved
08/12/2025 +5 days Advisory disclosed
08/12/2025 +0 days VulDB entry created
08/15/2025 +3 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-76hv-h7g2-xfv3
Status: Confirmed

CVE: CVE-2025-55151 (🔒)
GCVE (CVE): GCVE-0-2025-55151
GCVE (VulDB): GCVE-100-319489

Entryinfo

Created: 08/12/2025 07:06
Updated: 08/15/2025 20:32
Changes: 08/12/2025 07:06 (68), 08/15/2025 20:32 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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