OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.1.0 until 7.3.0, authenticated non-administrator users can write content under targets_modified/ that is later executed by multiple configuration paths b...
Vendor
openc3 vulnerabilities
19 published CVES affecting openc3, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 19
- Critical
- 7
- High
- 6
- Medium
- 6
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Products
Latest openc3 CVEs
Newest publication first
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CriticalCVSS 9.9 EPSS 0.72%
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HighCVSS 7.6 EPSS 0.42%
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.0.6 until 7.3.0, an authenticated actor with system_set permission can store a shared screen through POST /openc3-api/screen whose BUTTON widget action i...
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CVE-2026-77601 OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting
PublishedHighCVSS 8.8 EPSS 0.63%OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypi_url setting through set_setting at POST /openc3-api/api, then cause OpenC3::PluginModel.insta...
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HighCVSS 8.1 EPSS 0.34%
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0-rc3, the Script Runner widget allows users to execute Python and Ruby scripts directly from the openc3-COSMOS-script-runner-api container...
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CriticalCVSS 9.6 EPSS 0.32% PoC
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From version 6.7.0 to before version 7.0.0-rc3, a SQL injection vulnerability exists in the Time-Series Database (TSDB) component of COSMOS. The tsdb_lookup fun...
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MediumCVSS 4.6 EPSS 0.20% PoC
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0, the Command Sender UI uses an unsafe eval() function on array-like command parameters, which allows a user-supplied payload to execute i...
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MediumCVSS 4.3 EPSS 0.31% PoC
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to versions 6.10.5 and 7.0.0-rc3, OpenC3 COSMOS contains a design flaw in the save_tool_config() function that allows saving tool configuration files at a...
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CVE-2026-42084 OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence
PublishedHighCVSS 8.1 EPSS 0.31% PoCOpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to versions 6.10.5 and 7.0.0-rc3, the OpenC3 password change functionality allows a user to change their password without providing the old password, by a...
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CriticalCVSS 10.0 EPSS 0.64% PoC
OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.0.0 to 6.10.1, OpenC3 COSMOS contains a critical remote code execution vulnerability reachable through the JSON-RPC API. When a JSON-RPC request uses the...
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CriticalCVSS 9.8 EPSS 0.63%
OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.
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CVE-2025-28384 OpenC3 COSMOS Vulnerable to Directory Traversal via /script-api/scripts/ endpoint
PublishedCriticalCVSS 9.1 EPSS 0.91% PoCAn issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.
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CVE-2025-28382 OpenC3 COSMOS Vulnerable to Directory Traversal via openc3-api/tables endpoint
PublishedHighCVSS 7.5 EPSS 0.91% PoCAn issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.
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HighCVSS 7.5 EPSS 0.55%
A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment variables stored in all containers.
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MediumCVSS 6.1 EPSS 0.35%
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.
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CriticalCVSS 9.8 EPSS 0.62%
Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.
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CriticalCVSS 9.8 EPSS 1.0%
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.
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MediumCVSS 4.8 EPSS 0.35%
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...
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CVE-2024-46977 OpenC3 COSMOS allows a path traversal via screen controller (`GHSL-2024-127`)
PublishedMediumCVSS 5.3 EPSS 0.91%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...
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MediumCVSS 5.1 EPSS 0.48% PoC
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 S...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.