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Common Weakness Enumeration

CWE-918

Allowed

Server-Side Request Forgery (SSRF)

Abstraction: Base · Status: Incomplete

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.

5596 vulnerabilities reference this CWE, most recent first.

CVE-2026-34244 (GCVE-0-2026-34244)

Vulnerability from cvelistv5 – Published: 2026-04-15 18:22 – Updated: 2026-04-15 18:50
VLAI
Title
Weblate: SSRF via Project-Level Machinery Configuration
Summary
Weblate is a web based localization tool. In versions prior to 5.17, a user with the project.edit permission (granted by the per-project "Administration" role) can configure machine translation service URLs pointing to arbitrary internal network addresses. During configuration validation, Weblate makes an HTTP request to the attacker-controlled URL and reflects up to 200 characters of the response body back to the user in an error message. This constitutes a Server-Side Request Forgery (SSRF) with partial response read. This issue has been fixed in version 5.17. If developers are unable to immediately upgrade, they can limit available machinery services via WEBLATE_MACHINERY setting.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 18:49 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-918 - Server-Side Request Forgery (SSRF)
References
Impacted products
Vendor Product Version
WeblateOrg weblate Affected: < 517
Create a notification for this product.
Show details on NVD website

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CVE-2026-34225 (GCVE-0-2026-34225)

Vulnerability from cvelistv5 – Published: 2026-04-14 01:39 – Updated: 2026-04-14 16:28
VLAI
Title
Open WebUI has Blind Server Side Request Forgery in its Image Edit Functionality
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Versions 0.7.2 and below contain a Blind Server Side Request Forgery in the functionality that allows editing an image via a prompt. The affected function performs a GET request to a user-provided URL with no restriction on the domain, allowing the local address space to be accessed. Since the SSRF is blind (the response cannot be read), the primary impact is port scanning of the local network, as whether a port is open can be determined based on whether the GET request succeeds or fails. These response differentials can be automated to iterate through the entire port range and identify open ports. If the service running on an open port can be inferred, an attacker may be able to interact with it in a meaningful way, provided the service offers state-changing GET request endpoints. This issue was unresolved at the time of publication.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 15:37 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: <= 0.7.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-34207 (GCVE-0-2026-34207)

Vulnerability from cvelistv5 – Published: 2026-05-22 17:12 – Updated: 2026-05-22 18:30
VLAI
Title
TypeBot: SSRF Protection Bypass via DNS-Resolved Hostnames in Webhook / HTTP Request Validation
Summary
TypeBot is a chatbot builder tool. In versions prior to 3.16.0, SSRF protection for Webhook / HTTP Request blocks validates only the URL string, blocked hostname literals, and literal IP formats. It does not resolve DNS before allowing the request. As a result, a hostname such as ssrf-repro.example that resolves to 127.0.0.1, 169.254.169.254, or RFC1918/private space passes validation and is later fetched by the backend HTTP client. This enables server-side request forgery to loopback, cloud metadata, and private network targets. This issue has been resolved in version 3.16.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 18:29 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-918 - Server-Side Request Forgery (SSRF)
Impacted products
Vendor Product Version
baptisteArno typebot.io Affected: < 3.16.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-34170 (GCVE-0-2026-34170)

Vulnerability from cvelistv5 – Published: 2026-07-07 03:23 – Updated: 2026-07-07 13:55
VLAI
Title
Coolify: Server-Side Request Forgery via attacker-controlled GitHub App API URL
Summary
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the GithubApp api_url field is used as the base URL for server-side HTTP requests without allowlisting or private IP blocking, allowing an authenticated user to configure a GitHub App source that causes Coolify to request internal services or cloud metadata endpoints. This issue is reported as fixed in version 4.0.0-beta.471.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-07 13:55 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
References
Impacted products
Vendor Product Version
coollabsio coolify Affected: < 4.0.0-beta.471
Create a notification for this product.
Show details on NVD website

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CVE-2026-34163 (GCVE-0-2026-34163)

Vulnerability from cvelistv5 – Published: 2026-03-31 13:43 – Updated: 2026-03-31 15:37
VLAI
Title
Server-Side Request Forgery via MCP Tools Endpoint in FastGPT
Summary
FastGPT is an AI Agent building platform. Prior to version 4.14.9.5, FastGPT's MCP (Model Context Protocol) tools endpoints (/api/core/app/mcpTools/getTools and /api/core/app/mcpTools/runTool) accept a user-supplied URL parameter and make server-side HTTP requests to it without validating whether the URL points to an internal/private network address. Although the application has a dedicated isInternalAddress() function for SSRF protection (used in other endpoints like the HTTP workflow node), the MCP tools endpoints do not call this function. An authenticated attacker can use these endpoints to scan internal networks, access cloud metadata services, and interact with internal services such as MongoDB and Redis. This issue has been patched in version 4.14.9.5.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 15:37 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Impacted products
Vendor Product Version
labring FastGPT Affected: < 4.14.9.5
Create a notification for this product.
Show details on NVD website

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CVE-2026-34162 (GCVE-0-2026-34162)

Vulnerability from cvelistv5 – Published: 2026-03-31 13:43 – Updated: 2026-03-31 14:33
VLAI
Title
FastGPT: Unauthenticated SSRF via httpTools Endpoint Leads to Internal API Key Theft
Summary
FastGPT is an AI Agent building platform. Prior to version 4.14.9.5, the FastGPT HTTP tools testing endpoint (/api/core/app/httpTools/runTool) is exposed without any authentication. This endpoint acts as a full HTTP proxy — it accepts a user-supplied baseUrl, toolPath, HTTP method, custom headers, and body, then makes a server-side HTTP request and returns the complete response to the caller. This issue has been patched in version 4.14.9.5.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 14:33 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-918 - Server-Side Request Forgery (SSRF)
Impacted products
Vendor Product Version
labring FastGPT Affected: < 4.14.9.5
Create a notification for this product.
Show details on NVD website

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CVE-2026-34160 (GCVE-0-2026-34160)

Vulnerability from cvelistv5 – Published: 2026-04-14 21:09 – Updated: 2026-04-15 14:26
VLAI
Title
Chamilo LMS: Unauthenticated SSRF via PENS Plugin allows attacker to probe internal network and reach cloud metadata services
Summary
Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS (Package Exchange Notification Services) plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetches using curl without filtering private or internal IP addresses, enabling unauthenticated Server-Side Request Forgery (SSRF). An attacker can exploit this to probe internal network services, access cloud metadata endpoints (such as 169.254.169.254) to steal IAM credentials and sensitive instance metadata, or trigger state-changing operations on internal services via the receipt and alerts callback parameters. No authentication is required to exploit either SSRF vector, significantly increasing the attack surface. This issue has been fixed in version 2.0.0-RC.3.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 14:26 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-918 - Server-Side Request Forgery (SSRF)
Impacted products
Vendor Product Version
chamilo chamilo-lms Affected: < 2.0-RC.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-34084 (GCVE-0-2026-34084)

Vulnerability from cvelistv5 – Published: 2026-05-05 19:22 – Updated: 2026-05-05 19:32
VLAI
Title
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFactory::load
Summary
PhpSpreadsheet is a library for reading and writing spreadsheet files. In versions 1.30.2 and earlier, 2.0.0 through 2.1.14, 2.2.0 through 2.4.3, 3.3.0 through 3.10.3, and 4.0.0 through 5.5.0, when the filename argument to IOFactory::load() is user-controlled, an attacker can supply a PHP stream wrapper path (such as phar://, ftp://, or ssh2.sftp://) that passes the is_file() check in File::assertFile(). The phar:// wrapper triggers deserialization of the PHAR metadata, which can lead to remote code execution if a suitable gadget chain is available in the application. The ftp:// and ssh2.sftp:// wrappers can be used for server-side request forgery. This issue has been fixed in versions 1.30.3, 2.1.15, 2.4.4, 3.10.4, and 5.6.0.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-05 19:32 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
  • CWE-918 - Server-Side Request Forgery (SSRF)
References
Impacted products
Vendor Product Version
PHPOffice PhpSpreadsheet Affected: >= 4.0.0, <= 5.5.0
Affected: >= 3.3.0, <= 3.10.3
Affected: >= 2.2.0, <= 2.4.3
Affected: >= 2.0.0, <= 2.1.14
Affected: <= 1.30.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-34076 (GCVE-0-2026-34076)

Vulnerability from cvelistv5 – Published: 2026-04-01 16:59 – Updated: 2026-04-01 18:00
VLAI
Title
Clerk JavaScript: SSRF in the opt-in clerkFrontendApiProxy feature may leak secret keys to unintended host
Summary
Clerk JavaScript is the official JavaScript repository for Clerk authentication. In @clerk/hono from versions 0.1.0 to before 0.1.5, @clerk/express from versions 2.0.0 to before 2.0.7, @clerk/backend from versions 3.0.0 to before 3.2.3, and @clerk/fastify from versions 3.1.0 to before 3.1.5, the clerkFrontendApiProxy function in @clerk/backend is vulnerable to Server-Side Request Forgery (SSRF). An unauthenticated attacker can craft a request path that causes the proxy to send the application's Clerk-Secret-Key to an attacker-controlled server. This issue has been patched in @clerk/hono version 0.1.5, @clerk/express version 2.0.7, @clerk/backend version 3.2.3, and @clerk/fastify version 3.1.5.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-01 18:00 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
References
Impacted products
Vendor Product Version
clerk javascript Affected: @clerk/hono >= 0.1.0, < 0.1.5
Affected: @clerk/express >= 2.0.0, < 2.0.7
Affected: @clerk/backend >= 3.0.0, < 3.2.3
Affected: @clerk/fastify >= 3.1.0, < 3.1.5
Create a notification for this product.
Show details on NVD website

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CVE-2026-33992 (GCVE-0-2026-33992)

Vulnerability from cvelistv5 – Published: 2026-03-27 22:12 – Updated: 2026-03-30 18:29
VLAI
Title
pyLoad: Server-Side Request Forgery via Download Link Submission Enables Cloud Metadata Exfiltration
Summary
pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, PyLoad's download engine accepts arbitrary URLs without validation, enabling Server-Side Request Forgery (SSRF) attacks. An authenticated attacker can exploit this to access internal network services and exfiltrate cloud provider metadata. On DigitalOcean droplets, this exposes sensitive infrastructure data including droplet ID, network configuration, region, authentication keys, and SSH keys configured in user-data/cloud-init. Version 0.5.0b3.dev97 contains a patch.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-30 18:29 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
References
Impacted products
Vendor Product Version
pyload pyload Affected: < 0.5.0b3.dev97
Create a notification for this product.
Show details on NVD website

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No mitigation information available for this CWE.

CAPEC-664: Server Side Request Forgery

An adversary exploits improper input validation by submitting maliciously crafted input to a target application running on a server, with the goal of forcing the server to make a request either to itself, to web services running in the server’s internal network, or to external third parties. If successful, the adversary’s request will be made with the server’s privilege level, bypassing its authentication controls. This ultimately allows the adversary to access sensitive data, execute commands on the server’s network, and make external requests with the stolen identity of the server. Server Side Request Forgery attacks differ from Cross Site Request Forgery attacks in that they target the server itself, whereas CSRF attacks exploit an insecure user authentication mechanism to perform unauthorized actions on the user's behalf.