GHSA-39mm-rwm3-29jp
silverstripe-advancedworkflow vulnerable to remote code execution via advanced workflow email template
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | symbiote/silverstripe-advancedworkflow | < 6.4.5 | 6.4.5 |
| Packagist | symbiote/silverstripe-advancedworkflow | >= 7.0.0, < 7.1.3 | 7.1.3 |
| Packagist | symbiote/silverstripe-advancedworkflow | >= 7.2.0, < 7.2.1 | 7.2.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
The advanced workflow email template field is vulnerable to a specially crafted payload that can be used to run arbitrary code on the server.
### Reported by
Steve Boyd
Silverstripe Ltd.
References
External links from the advisory. They lead to third-party sites.
- https://github.com/silverstripe/silverstripe-advancedworkflow/security/advisories/GHSA-39mm-rwm3-29jp
- https://github.com/silverstripe/silverstripe-advancedworkflow/pull/629
- https://github.com/silverstripe/silverstripe-advancedworkflow/pull/630
- https://github.com/silverstripe/silverstripe-advancedworkflow/commit/28d0b536491e5c68b1c445579bdd1ddc8beaf8bb
- https://github.com/silverstripe/silverstripe-advancedworkflow/commit/f170766af992ed2ed3e5f21d127d0d0d3129678b
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symbiote/silverstripe-advancedworkflow/CVE-2026-54718.yaml
- https://github.com/silverstripe/silverstripe-advancedworkflow
- https://github.com/silverstripe/silverstripe-advancedworkflow/releases/tag/6.4.5
- https://github.com/silverstripe/silverstripe-advancedworkflow/releases/tag/7.1.3
- https://github.com/silverstripe/silverstripe-advancedworkflow/releases/tag/7.2.1
- https://www.silverstripe.org/download/security-releases/cve-2026-54718