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CVE-2026-32263· NVD / CVE Program· CNA GitHub_M

Craft CMS vulnerable to behavior injection RCE via EntryTypesController

Craft CMS is a content management system (CMS). From version 5.6.0 to before version 5.9.11, in src/controllers/EntryTypesController.php, the $settings array from parse_str is passed directly to Craft::configure() without Component::cleanseConfig(). This allows injecting Yii2 behavior/event handlers via "as" or "on" prefixed keys, the same attack vector as the original advisory. Craft control panel administrator permissions and allowAdminChanges must be enabled for this to work. This issue has been patched in version 5.9.11.

HighCVSS 8.6 · v4.0—No exploit Fix available
Published
Mar 16, 2026
Updated
Jun 17, 2026
EPSS
0.7% · 49th percentile
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Action score

34

Monitor

Low priority for now.

CVSS
34 / 40 · 8.6 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · GitHub_M
8.6
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
craftcmscraft cms

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • craftcms craft cms5.6.0 and later · before 5.9.11

Versions reported by the vendor

Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.

  • craftcms cms

    • >= 5.6.0, < 5.9.11affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Packagistcraftcms/cmsfrom 4.0.0-RC1 · before 4.16.184.16.18
Packagistcraftcms/cmsfrom 5.0.0-RC1 · before 5.8.225.8.22
Packagistcraftcms/cmsfrom 5.6.0 · before 5.9.115.9.11

Same product

craftcms: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-32432Craft CMS Allows Remote Code ExecutionKEV
    100Now
  • CVE-2024-56145RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cmsKEV
    96Now
  • CVE-2025-23209Potential RCE with a compromised security key in craft/cmsKEV
    69This week
  • CVE-2023-41892Craft CMS Remote Code Execution vulnerability
    67This week
  • CVE-2020-9757The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacont
    61This week
  • CVE-2025-35939Craft CMS stores user-provided content in session filesKEV
    57Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
craftcms cms5.9.11 · descriptionVendor (CNA)
Packagist:craftcms/cms4.16.18Package registry (OSV)
Packagist:craftcms/cms5.8.22Package registry (OSV)
Packagist:craftcms/cms5.9.11Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-322640 days apartCraft CMS vulnerable to behavior injection RCE ElementIndexesController and FieldsController
    34Monitor
  • CVE-2026-331578 days apartCraft CMS: Potential authenticated Remote Code Execution via malicious attached Behavior
    34Monitor
  • CVE-2026-2549835 days apartCraft has a potential authenticated Remote Code Execution via malicious attached Behavior
    34Monitor
  • CVE-2025-6845570 days apartCraft CMS vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior
    34Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2026-331598 days apartCraft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users
    27Monitor
  • CVE-2026-291136 days apartCraft has a potential information disclosure vulnerability in preview tokens
    9Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
X

Weakness class (CWE)

CWE-470 · Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records