CVE-2024-46977

OpenC3 COSMOS contains a path traversal vulnerability in LocalMode.open_local_file that, when exploited by an authenticated user with adequate permissions, can download any .txt via ScreensController#show on the COSMOS web server. The issue may lead to information disclosure and is fixed in versi...

CVE-2024-43795

CVE-2024-43795 affects OpenC3 COSMOS Open Source Edition, with a reflected XSS vulnerability in the login functionality. Root cause: improper input handling in the login path allows script injection. Impact is limited to the Open Source Edition per the advisories; Enterprise Edition is not affect...

CVE-2024-47529

Summary: OpenC3 COSMOS stores a user password in unencrypted form in the browser’s LocalStorage, creating a risk of password exfiltration via cross-site scripting (XSS). The issue is documented as affecting the Open Source edition and is fixed in version 5.19.0 (Open Source edition). What’s affec...

CVE-2026-42084

OpenC3 COSMOS is affected by a credential change vulnerability where the password change feature accepts a valid session token in lieu of the old password. This flaw, present prior to versions 6.10.5 and 7.0.0-rc3, allows an attacker who already holds a valid session token to change the password ...

CVE-2026-42085

OpenC3 COSMOS has a path-traversal weakness in save_tool_config() that enables arbitrary file writes into the shared /plugins directory prior to versions 6.10.5 and 7.0.0-rc3. By canonicalizing filenames to absolute paths, a crafted config filename can overwrite existing configuration files acros...

CVE-2026-42088

Summary: CVE-2026-42088 affects OpenC3 COSMOS before 7.0.0-rc3. The Script Runner widget in the openc3-COSMOS-script-runner-api container allows any user with script permissions to bypass API checks and perform administrative actions across the docker network. This can enable reading/modifying da...

CVE-2026-42086

OpenC3 COSMOS is affected by a Self-XSS in the Command Sender UI prior to version 7.0.0, caused by an unsafe eval() on array-like command parameters. A user-supplied payload could execute in the victim’s browser when sending a command, potentially allowing an attacker to read or modify data in th...