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Stirling Pdf CVE-2025-46568

HIGH
Server-Side Request Forgery (SSRF) (CWE-918)
2025-05-01 security-advisories@github.com
7.7
CVSS 4.0 · GitHub Advisory
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.7 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.33%.

Exploit ScenarioDerived

A remote attacker could make the server perform requests to unintended internal or external resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. Prior to version 0.45.0, Stirling-PDF is vulnerable to SSRF-induced arbitrary file read. WeasyPrint redefines a set of HTML tags, including img, embed, object, and others. The references to several files inside, allow the attachment of content from any webpage or local file to a PDF. This allows the attacker to read any file on the server, including sensitive files and configuration files. All users utilizing this feature will be affected. This issue has been patched in version 0.45.0. Affected products include: Stirlingpdf Stirling Pdf. Version information: version 0.45.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 7.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
PoC Detected
Feb 06, 2026 - 20:16 vuln.today
Public exploit code
CVE Published
May 01, 2025 - 18:15 nvd
HIGH 7.7

DescriptionGitHub Advisory

Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. Prior to version 0.45.0, Stirling-PDF is vulnerable to SSRF-induced arbitrary file read. WeasyPrint redefines a set of HTML tags, including img, embed, object, and others. The references to several files inside, allow the attachment of content from any webpage or local file to a PDF. This allows the attacker to read any file on the server, including sensitive files and configuration files. All users utilizing this feature will be affected. This issue has been patched in version 0.45.0.

Executive ViewAI

Why It Matters

Organizations using Stirling-PDF face notable risk from CVE-2025-46568, a server-side request forgery vulnerability rated CVSS 7.7. Attackers could trick authenticated users into performing unintended actions, potentially modifying critical settings or data. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: High
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement strict egress filtering; (2) Use allowlists for outbound connections; (3) Block access to cloud metadata endpoints.

Threat Intelligence Overview

EPSS Score
0.3%
Top 44% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
High

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:stirlingpdf:stirling_pdf:*:*:*:*:*:*:*:*
CVE-2025-55161 HIGH POC
8.6 Aug 11

Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Rated high severity (CVS

CVE-2025-55150 HIGH POC
8.6 Aug 11

Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Rated high severity (CVS

CVE-2026-113605 HIGH POC
8.6 Oct 20

Stirling-PDF 2.13.2 through 3.2.0 lets an authenticated administrator regain Java method execution by uploading a crafte

CVE-2026-113606 HIGH POC
7.1 Oct 20

Authenticated users on multi-user Stirling-PDF 3.0.0 through 3.2.0 can reach other tenants' stored documents by creating

CVE-2026-71270 HIGH
8.6 Aug 05

Server-side request forgery in Stirling-PDF's POST /api/v1/convert/url/pdf endpoint allows unauthenticated remote attack

CVE-2026-57485 HIGH
8.5 Aug 17

Privilege escalation in Stirling-PDF before 2.9.0 allows any authenticated ROLE_USER to obtain the privileged STIRLING-P

CVE-2026-33437 HIGH
8.1 Aug 17

Stored cross-site scripting in Stirling-PDF prior to version 2.0.0 allows an attacker to embed JavaScript payloads insid

CVE-2026-27625 HIGH
8.1 Mar 20

Stirling-PDF, a locally hosted web application for PDF operations, contains a path traversal vulnerability in the /api/v

CVE-2026-119343 MEDIUM
6.8 Oct 30

Stirling-PDF before 3.0.0 lets remote attackers turn its AI PDF tool into a server-side request forgery and local file d

CVE-2026-33438 MEDIUM
6.5 Mar 26

Stirling-PDF versions 2.1.5 through 2.5.1 are vulnerable to resource exhaustion denial of service through the watermark

CVE-2024-9075 LOW POC
2.3 Sep 21

A vulnerability was found in Stirling-Tools Stirling-PDF up to 0.28.3. Rated low severity (CVSS 2.3), this vulnerability

CVE-2026-41580 MEDIUM
6.1 Jul 15

Stored cross-site scripting in Stirling-PDF's /get-info-on-pdf endpoint allows attacker-controlled JavaScript to execute

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