PT-2026-36881

Name of the Vulnerable Software and Affected Versions OpenC3 COSMOS versions 6.7.0 through 7.0.0-rc3 Description The Time-Series Database TSDB component contains a SQL injection flaw. The tsdb lookup function within the cvt model.rb file incorporates user-supplied input into a SQL query without...

GHSA-FFQ5-QPVF-XQ7X OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender

Summary The Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when sending a command. This creates a self-XSS risk because an attacker can trigger their own script execution in the victim’s session, if...

OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender

Summary The Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when sending a command. This creates a self-XSS risk because an attacker can trigger their own script execution in the victim’s session, if...

GHSA-4JVX-93H3-F45H OpenC3 COSMOS allows arbitrary writes to plugins directory via path-traversed config filenames

Summary OpenC3 COSMOS contains a design flaw in the savetoolconfig function that allows saving tool configuration files at arbitrary locations inside the shared /plugins directory tree by supplying crafted configuration filenames. Although the implementation sufficiently mitigates standard path...

OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence

Summary The OpenC3 password change functionality allows a user to change their password without providing the old password, by accepting a valid session token instead. In assumed breach scenarios, this behaviour can be exploited by an attacker who has already obtained a valid session token, to ga...

GHSA-WGX6-G857-JJF7 OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence

Summary The OpenC3 password change functionality allows a user to change their password without providing the old password, by accepting a valid session token instead. In assumed breach scenarios, this behaviour can be exploited by an attacker who has already obtained a valid session token, to ga...

PT-2026-36879

Name of the Vulnerable Software and Affected Versions OpenC3 COSMOS versions prior to 6.10.5 OpenC3 COSMOS versions prior to 7.0.0-rc3 Description A design flaw in the save tool config function allows users to save tool configuration files at arbitrary locations within the shared /plugins directo...

PT-2026-36880

Name of the Vulnerable Software and Affected Versions OpenC3 COSMOS versions prior to 7.0.0 Description The Command Sender UI uses an unsafe eval function on array-like command parameters. This allows a user-supplied payload to execute in the browser when sending a command, creating a self-XSS...

OpenC3 COSMOS - Hijacked session token can be used to reset password for persistence

Summary The OpenC3 password change functionality allows a user to change their password without providing the old password, by accepting a valid session token instead. In assumed breach scenarios, this behaviour can be exploited by an attacker who has already obtained a valid session token, to ga...

PT-2026-36878

Name of the Vulnerable Software and Affected Versions OpenC3 COSMOS versions prior to 6.10.5 OpenC3 COSMOS versions prior to 7.0.0-rc3 Description The password change functionality allows a user to change their password without providing the current password, as the system accepts a valid session...

OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender

Summary The Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when sending a command. This creates a self-XSS risk because an attacker can trigger their own script execution in the victim’s session, if...

CVE-2026-42086

creationtimestamp| type| source ---|---|--- 2026-04-20 03:12:34+00:00| published-proof-of-concept| https://github.com/OpenC3/cosmos/security/advisories/GHSA-ffq5-qpvf-xq7x...

CVE-2026-42085

creationtimestamp| type| source ---|---|--- 2026-04-20 03:10:27+00:00| published-proof-of-concept| https://github.com/OpenC3/cosmos/security/advisories/GHSA-4jvx-93h3-f45h...

GO-2026-4677 Cosmos EVM: incorrect state handling during nested EVM execution paths in github.com/cosmos/evm

Cosmos EVM: incorrect state handling during nested EVM execution paths in github.com/cosmos/evm...

Cosmos EVM: incorrect state handling during nested EVM execution paths

Advisory ID: ASA-2026-002 Component: ICS20 Precompile Status: Resolved Published: March 2026 Contact: [email protected] --- Security Advisory ASA-2026-002 Status: Resolved. A patch is available and all known affected chains have either applied mitigations or upgraded. | Field | Value | | ---...

GHSA-54GX-3CGR-7MFM Cosmos EVM: incorrect state handling during nested EVM execution paths

Advisory ID: ASA-2026-002 Component: ICS20 Precompile Status: Resolved Published: March 2026 Contact: [email protected] --- Security Advisory ASA-2026-002 Status: Resolved. A patch is available and all known affected chains have either applied mitigations or upgraded. | Field | Value | | ---...

Malicious Package

Overview cosmos-hub-docs-site is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

CVE-2025-68271

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 string form of...

CVE-2025-68271

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 string form of...

GHSA-W757-4QV9-MGHP openc3-api Vulnerable to Unauthenticated Remote Code Execution

Summary OpenC3 COSMOS contains a critical remote code execution vulnerability reachable through the JSON-RPC API. When a JSON-RPC request uses the string form of certain APIs, attacker-controlled parameter text is parsed into values using Stringconverttovalue. For array-like inputs, converttovalu...