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CWE-918

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CWE-918

Server-Side Request Forgery (SSRF)

Base
Incomplete

Description

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.

Common Consequences

Scope

Confidentiality

Impact

Read Application Data

Scope

Integrity

Impact

Execute Unauthorized Code or Commands

Scope

Access Control

Impact

Bypass Protection Mechanism

CVE-2026-33626

SSRF in LLM toolkit accesses arbitrary URLs for images, as exploited in the wild in April 2026 to conduct port scanning [REF-1519]

CVE-2024-3095

SSRF in LLM application development framework because the URL retriever allows connections to local addresses using a crafted Location header

CVE-2023-32786

Chain: LLM integration framework has prompt injection (CWE-1427) that allows an attacker to force the service to retrieve data from an arbitrary URL, essentially providing SSRF (CWE-918) and potentially injecting content into downstream tasks.

CVE-2021-26855

Server Side Request Forgery (SSRF) in mail server, as exploited in the wild per CISA KEV.

CVE-2021-21973

Server Side Request Forgery in cloud platform, as exploited in the wild per CISA KEV.

CVE-2016-4029

Chain: incorrect validation of intended decimal-based IP address format (CWE-1286) enables parsing of octal or hexadecimal formats (CWE-1389), allowing bypass of an SSRF protection mechanism (CWE-918).

CVE-2002-1484

Web server allows attackers to request a URL from another server, including other ports, which allows proxied scanning.

CVE-2004-2061

CGI script accepts and retrieves incoming URLs.

CVE-2010-1637

Web-based mail program allows internal network scanning using a modified POP3 port number.

CVE-2009-0037

URL-downloading library automatically follows redirects to file:// and scp:// URLs

Applicable Platforms

Not Language-Specific

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