CraftCMS Craft CMS up to 4.18.1/5.10.5 Condition command injection

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k1.37+

Summaryinfo

A vulnerability described as problematic has been identified in CraftCMS Craft CMS up to 4.18.1/5.10.5. Affected by this issue is some unknown functionality of the component Condition Handler. Executing a manipulation can lead to command injection. The identification of this vulnerability is CVE-2026-78416. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in CraftCMS Craft CMS up to 4.18.1/5.10.5. This vulnerability affects an unknown code block of the component Condition Handler. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Craft CMS versions from 4.0.0-RC1 before 4.18.2 and from 5.0.0-RC1 before 5.10.6 contain an authenticated remote code execution vulnerability in control panel element-search condition handling. A JSON cleanse bypass in condition.config allows Yii behavior/event configuration keys to be interpreted after decoding, enabling command execution as the PHP/web user.

The advisory is available at hckrt.com. This vulnerability was named CVE-2026-78416 since 08/24/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 4.18.2 or 5.10.6 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Craft CMS 4.18.2/5.10.6

Timelineinfo

08/24/2026 Advisory disclosed
08/24/2026 +0 days CVE reserved
08/24/2026 +0 days VulDB entry created
08/24/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: hckrt.com
Status: Confirmed

CVE: CVE-2026-78416 (🔒)
GCVE (CVE): GCVE-0-2026-78416
GCVE (VulDB): GCVE-100-394714

Entryinfo

Created: 08/24/2026 18:00
Changes: 08/24/2026 18:00 (67)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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