GHSA-M5R2-8P9X-HP5M 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,...

GHSA-8JR8-7HR4-VHFX 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...

GHSA-96PQ-HXPW-RGH8 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...

CVE-2026-25493

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-2026-25494

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 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-2026-25493 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-2026-25493 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-2026-25493

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-2026-25493

Craft CMS versions 4.0.0-RC1–4.16.17 and 5.0.0-RC1–5.8.21 contain an SSRF bypass in the saveAsset GraphQL mutation: the hostname/IP blocklist check is bypassed because Guzzle follows redirects by default, allowing an attacker to point redirects to cloud metadata endpoints or internal addresses. A...

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 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...

CVE-2026-25562

WeKan versions prior to 8.19 contain an information disclosure vulnerability in the attachments publication. Attachment metadata can be returned without properly scoping results to boards and cards accessible to the requesting user, potentially exposing attachment metadata to unauthorized users...

Craft CMS 代码问题漏洞

Craft CMS is an open-source content management system developed by Craft CMS. There are code vulnerabilities in versions 4.0.0-RC1 to 4.16.17, and from 5.0.0-RC1 to 5.8.21 of Craft CMS. These vulnerabilities stem from the IP address validation function’s inability to recognize alternate...

PT-2026-7142

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 save images Asset 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-2026-7144

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...