Craft CMS Vulnerable to SSRF in GraphQL Asset Mutation via Alternative IP Notation

I observed a recent commit intended to mitigate Server-Side Request Forgery SSRF vulnerabilities. While the implemented defense mechanisms are an improvement, I have identified two methods to bypass these protections. This report details the first bypass method involving alternative IP notation,...

Craft CMS Vulnerable to SSRF in GraphQL Asset Mutation via HTTP Redirect

Summary The saveAsset GraphQL mutation validates the initial URL hostname and resolved IP against a blocklist, but Guzzle follows HTTP redirects by default. An attacker can bypass all SSRF protections by hosting a redirect that points to cloud metadata endpoints or any internal IP addresses. ---...

Craft CMS: save_images_Asset graphql mutation can be abused to exfiltrate AWS credentials of underlying host

Summary - The saveimagesAsset graphql mutation allows a user to give a url of an image to download. Url must use a domain, not a raw IP. - Attacker sets up domain attacker.domain with an A record of something like 169.254.169.254 special AWS metadata IP - Attacker invokes saveimagesAsset with url...

Server-side Request Forgery (SSRF)

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in handleUpload, which is exploitable via the saveimagesAsset mutation in the GraphQL API. An attacker can retrieve sensitive internal resources, such as AWS...

CVE-2026-25497

Craft is a platform for creating digital experiences. In Craft versions from 4.0.0-RC1 to before 4.17.0-beta.1 and 5.9.0-beta.1, there is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their...

CVE-2026-25497 Craft has a GraphQL Asset Mutation Privilege Escalation

Craft is a platform for creating digital experiences. In Craft versions from 4.0.0-RC1 to before 4.17.0-beta.1 and 5.9.0-beta.1, there is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their...

CVE-2026-25497

Craft is a platform for creating digital experiences. In Craft versions from 4.0.0-RC1 to before 4.17.0-beta.1 and 5.9.0-beta.1, there is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their...

CVE-2026-25497

CVE-2026-25497 : Privilege escalation in Craft CMS GraphQL API affecting versions 4.0.0-RC1 through before 4.17.0-beta.1 and 5.9.0-beta.1. An authenticated user with write access to one asset volume can escalate privileges and modify/transfer assets across volumes, including private or restricted...

CVE-2026-25494 Craft has a SSRF in GraphQL Asset Mutation via Alternative IP Notation

Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveAsset GraphQL mutation uses filtervar..., FILTERVALIDATEIP to block a specific list of IP addresses. However, alternative IP notations hexadecimal, mixed are not...

CVE-2026-25494 Craft has a SSRF in GraphQL Asset Mutation via Alternative IP Notation

Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveAsset GraphQL mutation uses filtervar..., FILTERVALIDATEIP to block a specific list of IP addresses. However, alternative IP notations hexadecimal, mixed are not...

CVE-2026-25494

Craft CMS versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21 are affected by a vulnerability in the saveAsset GraphQL mutation, where filter_var(..., FILTER_VALIDATE_IP) blocks a defined IP list but fails to recognize hexadecimal or mixed notations, allowing bypass of the blocklist t...

CVE-2026-25493 Craft has a SSRF in GraphQL Asset Mutation via HTTP Redirect

Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveAsset GraphQL mutation validates the initial URL hostname and resolved IP against a blocklist, but Guzzle follows HTTP redirects by default. An attacker can bypa...

CVE-2026-25492 Craft has a save_images_Asset graphql mutation can be abused to exfiltrate AWS credentials of underlying host

Craft CMS is a content management system. In Craft versions 3.5.0 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveimagesAsset GraphQL mutation can be abused to fetch internal URLs by providing a domain name that resolves to an internal IP address, bypassing hostname validation. When a...

CVE-2026-25492 Craft has a save_images_Asset graphql mutation can be abused to exfiltrate AWS credentials of underlying host

Craft CMS is a content management system. In Craft versions 3.5.0 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveimagesAsset GraphQL mutation can be abused to fetch internal URLs by providing a domain name that resolves to an internal IP address, bypassing hostname validation. When a...

PT-2026-7147

Craft is a platform for creating digital experiences. In Craft versions from 4.0.0-RC1 to before 4.17.0-beta.1 and 5.9.0-beta.1, there is a Privilege Escalation vulnerability in Craft CMS’s GraphQL API that allows an authenticated user with write access to one asset volume to escalate their...

PT-2026-7144

Name of the Vulnerable Software and Affected Versions Craft versions 4.0.0-RC1 through 4.16.17 Craft versions 5.0.0-RC1 through 5.8.21 Description The saveAsset GraphQL mutation in Craft does not properly validate IP addresses used to access cloud metadata services. The application uses filter...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. There were security vulnerabilities in versions of Craft CMS from 4.0.0-RC1 up to 4.17.0-beta.1, as well as in version 5.9.0-beta.1. These vulnerabilities stemmed from improper authorization validation in the saveAsset...

EUVD-2020-30934

OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting XSS attack via the /graphql endpoint. An attacker can inject arbitrary JavaScript code by sending a crafted GET request with a malicious payload in the query string, leading to execution of JavaScript in the victim's browser. For...

CVE-2020-37044

OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting XSS attack via the /graphql endpoint. An attacker can inject arbitrary JavaScript code by sending a crafted GET request with a malicious payload in the query string, leading to execution of JavaScript in the victim's browser. For...

CVE-2020-37044

OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting XSS attack via the /graphql endpoint. An attacker can inject arbitrary JavaScript code by sending a crafted GET request with a malicious payload in the query string, leading to execution of JavaScript in the victim's browser. For...