MidnightBSD

Advisories for openc3

CVE-2024-43795

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.

Products Affected

Vendor Product Version
openc3 cosmos *
CVE-2024-46977

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. A path traversal vulnerability inside of LocalMode's open_local_file method allows an authenticated user with adequate permissions to download any .txt via the ScreensController#show on the web server COSMOS is running on (depending on the file permissions). This vulnerability is fixed in 5.19.0.

Products Affected

Vendor Product Version
openc3 cosmos *
CVE-2024-47529

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. OpenC3 COSMOS stores the password of a user unencrypted in the LocalStorage of a web browser. This makes the user password susceptible to exfiltration via Cross-site scripting (see GHSL-2024-128). This vulnerability is fixed in 5.19.0. This only affects Open Source edition, and not OpenC3 COSMOS Enterprise Edition.

Products Affected

Vendor Product Version
openc3 cosmos *
CVE-2025-28380

A cross-site scripting (XSS) vulnerability in OpenC3 COSMOS before v6.0.2 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the URL parameter.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
134c704f-9b21-4f2e-91b3-4a467353bcc0 6.1 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 2.8 2.7

Products Affected

Vendor Product Version
openc3 cosmos 6.0.0
CVE-2025-28381

A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment variables stored in all containers.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 3.9 3.6

Products Affected

Vendor Product Version
openc3 cosmos 6.0.0
CVE-2025-28382

An issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 3.9 3.6

Products Affected

Vendor Product Version
openc3 cosmos 6.0.0
CVE-2025-28384

An issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.1 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N 3.9 5.2

Products Affected

Vendor Product Version
openc3 cosmos 6.0.0
CVE-2025-28386

A remote code execution (RCE) vulnerability in the Plugin Management component of OpenC3 COSMOS v6.0.0 allows attackers to execute arbitrary code via uploading a crafted .txt file.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

Products Affected

Vendor Product Version
openc3 cosmos 6.0.0
CVE-2025-28388

OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

Products Affected

Vendor Product Version
openc3 cosmos 6.0.0
CVE-2025-28389

Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

Products Affected

Vendor Product Version
openc3 cosmos 6.0.0