CVE-2026-7890
1 advisory.
Packagist/concrete5/concrete5 CVE-2026-7890: low
Concrete CMS's RSS Displayer block accepts a feed URL from any page editor and fetches it server-side without validation
Action: Upgrade concrete5/concrete5 to 9.5.1 or later.
composer require concrete5/concrete5:9.5.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 9.5.1 | - |
Fixed versions
| 9.5.1 |
Sources
- osv: GHSA-gjwq-9v8p-47w7
- https://nvd.nist.gov/vuln/detail/CVE-2026-7890
- https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes
- https://github.com/concretecms/concretecms
CVE-2026-7890 · published · modified · JSON