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CVE-2026-28695

Craftcms Craft CMS vulnerability

7.2 HIGHPublic exploitEPSS 0.63%
  1. Published4 Mar 2026

Description

Craft is a content management system (CMS). There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the create() Twig function combined with a Symfony Process gadget chain. The create() Twig function exposes Craft::createObject(), which allows instantiation of arbitrary PHP classes with constructor arguments. Combined with the bundled symfony/process dependency, this enables RCE. This bypasses the fix implemented for CVE-2025-57811 (patched in 5.8.7). This vulnerability is fixed in 5.9.0-beta.1 and 4.17.0-beta.1.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Craftcms Craft CMS> 4.0.0 < 4.17.0 · > 5.0.0 < 5.9.0 · 4.0.0 · 5.0.0

Remediation

Fixed in
Craftcms Craft CMS≥ 4.17.0

References

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Frequently asked

Is CVE-2026-28695 being actively exploited?

CVE-2026-28695 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.63%.

How severe is CVE-2026-28695?

CVE-2026-28695 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 0.63% probability of exploitation.

Which products are affected by CVE-2026-28695?

Affected products include Craftcms Craft CMS.

How do I fix CVE-2026-28695?

Upgrade affected software to a fixed version, for example Craftcms Craft CMS 4.17.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-28695 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.