CVE-2026-41129: Craft CMS has Server-Side Request Forgery (SSRF) with Asset Uploads Mutations

Published Apr 21, 2026
·
Updated

Craft CMS is a content management system (CMS). Versions on the 4.x branch through 4.17.8 and the 5.x branch through 5.9.14 are vulnerable to Server-Side Request Forgery. The exploitation requires a few permissions to be enabled in the used GraphQL schema: "Edit assets in the <VolumeName> volume" and "Create assets in the <VolumeName> volume." Versions 4.17.9 and 5.9.15 patch the issue.

Affected Software

1 affected component
Pixel & Tonic Craft CMS<=4.17.8, <=5.9.14

Event History

Apr 21, 2026
CVE Published
via MITRE·11:34 PM
Data Sourced
via MITRE·11:34 PM
DescriptionWeakness
Apr 22, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-41129?

CVE-2026-41129 is considered a critical vulnerability due to its potential for Server-Side Request Forgery exploitation.

2

How do I fix CVE-2026-41129?

To remediate CVE-2026-41129, upgrade Craft CMS to version 4.17.9 or 5.9.15 or later.

3

What versions of Craft CMS are affected by CVE-2026-41129?

CVE-2026-41129 affects Craft CMS versions 4.x through 4.17.8 and 5.x through 5.9.14.

4

What type of vulnerability is CVE-2026-41129?

CVE-2026-41129 is a Server-Side Request Forgery (SSRF) vulnerability.

5

Who is the vendor of the affected software for CVE-2026-41129?

The vendor of the affected software for CVE-2026-41129 is Pixel & Tonic.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203