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38 vulnerabilities by OpenC3
CVE-2026-77602 (GCVE-0-2026-77602)
Vulnerability from nvd – Published: 2026-09-23 18:56 – Updated: 2026-09-29 02:09
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)
Summary
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 below the intended code-execution privilege tier. Table and command or telemetry definitions are processed through ConfigParser, PacketConfig, GENERIC_READ_CONVERSION, or GENERIC_WRITE_CONVERSION, allowing ERB rendering or Ruby and Python evaluation, while openc3-cosmos-script-runner-api/scripts/run_suite_analysis.rb executes suite procedure files through require. Storage uploads, screen saves, and script creation can place content in the overlay, and triggering table processing, a cmd/tlm reload, or suite analysis executes the content in cmd-tlm-api, decom microservices, or Script Runner with access to internal credentials and data. This issue is fixed in version 7.3.0.
Severity
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 02:08 UTC
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/pull/3488 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/71943352a… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/7a1538a46… | x_refsource_MISC |
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CVE-2026-77601 (GCVE-0-2026-77601)
Vulnerability from nvd – Published: 2026-09-23 18:50 – Updated: 2026-09-23 19:28
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting
Summary
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.install_phase2 in openc3/lib/openc3/models/plugin_model.rb to interpolate the value into a shell command while installing a plugin with Python dependency metadata. Shell metacharacters in the setting are interpreted by the command shell, allowing arbitrary operating-system commands to run as the openc3 service user with access to Redis and bucket credentials. Open-source deployments permit any authenticated user to reach the affected operations, while Enterprise deployments require an administrator. This issue is fixed in version 7.3.0.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 19:28 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/pull/3489 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/be70d1d83… | x_refsource_MISC |
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CVE-2026-77394 (GCVE-0-2026-77394)
Vulnerability from nvd – Published: 2026-09-23 18:53 – Updated: 2026-09-23 19:28
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget
Summary
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 is evaluated by openc3-cosmos-init/plugins/packages/openc3-vue-common/src/widgets/ButtonWidget.vue in another operator's browser session when the button is activated. The stored script runs in the COSMOS origin and can read localStorage.openc3Token, allowing theft of the victim's bearer token, account takeover, and actions with the victim's privileges. The permissive content security policy contributes to execution but is not the primary root cause. This issue is fixed in version 7.3.0.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 19:27 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/pull/3560 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/10371f8f4… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.3.0 | x_refsource_MISC |
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CVE-2026-42088 (GCVE-0-2026-42088)
Vulnerability from nvd – Published: 2026-05-04 17:21 – Updated: 2026-05-04 19:36
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Administrative Actions via the Script Runner Tool
Summary
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. Because all the docker containers share a network, users can execute specially crafted scripts to bypass the API permissions check and perform administrative actions, including reading and modifying data inside the Redis database, which can be used to read secrets and change COSMOS settings, as well as read and write to the buckets service, which holds configuration, log, and plugin files. These actions are normally only available from the Admin Console or with administrative privileges. Any user with permission to create and run scripts can connect to any service in the docker network. This issue has been patched in version 7.0.0-rc3.
Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 19:35 UTC
CWE
- CWE-250 - Execution with Unnecessary Privileges
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/releases/tag/v7.0.0 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.… | x_refsource_MISC |
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CVE-2026-42087 (GCVE-0-2026-42087)
Vulnerability from nvd – Published: 2026-05-04 17:18 – Updated: 2026-05-05 12:46
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: SQL Injection in QuestDB Time-Series Data Base
Summary
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 function in the cvt_model.rb file directly places user-supplied input into a SQL query without sanitizing the input. As a result, a user can break out of the initial SQL statement and execute arbitrary SQL commands, including deleting data. This issue has been patched in version 7.0.0-rc3.
Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-05 12:46 UTC
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/commit/9ba60c09c… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.… | x_refsource_MISC |
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CVE-2026-42086 (GCVE-0-2026-42086)
Vulnerability from nvd – Published: 2026-05-04 17:15 – Updated: 2026-05-04 19:47
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Self-XSS in the Command Sender
Summary
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 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 allowed to influence the array parameter input, for example via phishing. If successful, an attacker may read or modify data in the authenticated browser context, including session tokens in local storage. This issue has been patched in version 7.0.0.
Severity
4.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 19:46 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-42085 (GCVE-0-2026-42085)
Vulnerability from nvd – Published: 2026-05-04 17:13 – Updated: 2026-05-04 18:47
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Arbitrary write to plugins directory via path-traversed config filenames
Summary
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 arbitrary locations inside the shared /plugins directory tree by supplying crafted configuration filenames. Although the implementation sufficiently mitigates standard path traversal attacks, by canonicalizing filename to an absolute path, all plugins share this same root directory. That enables users to create arbitrary file structures and overwrite existing configuration files within the shared /plugins directory. This issue has been patched in versions 6.10.5 and 7.0.0-rc3.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 18:43 UTC
CWE
- CWE-23 - Relative Path Traversal
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/commit/9957a9fa4… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/e6efccbd1… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v6.10.5 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.… | x_refsource_MISC |
Impacted products
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CVE-2026-42084 (GCVE-0-2026-42084)
Vulnerability from nvd – Published: 2026-05-04 17:11 – Updated: 2026-05-06 13:39
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence
Summary
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, 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 gain persistence in hijacked account (including admin) and prevent legitimate users from accessing the account. This issue has been patched in versions 6.10.5 and 7.0.0-rc3.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-06 13:39 UTC
CWE
- CWE-620 - Unverified Password Change
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/commit/2e623714e… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v6.10.5 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.… | x_refsource_MISC |
Impacted products
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CVE-2025-68271 (GCVE-0-2025-68271)
Vulnerability from nvd – Published: 2026-01-13 18:32 – Updated: 2026-01-13 20:00
VLAI
EPSS
VEX
Title
Unauthenticated Remote Code Execution in openc3-api
Summary
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 certain APIs, attacker-controlled parameter text is parsed into values using String#convert_to_value. For array-like inputs, convert_to_value executes eval(). Because the cmd code path parses the command string before calling authorize(), an unauthenticated attacker can trigger Ruby code execution even though the request ultimately fails authorization (401). This vulnerability is fixed in 6.10.2.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-13 20:00 UTC
CWE
- CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
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CVE-2025-28389 (GCVE-0-2025-28389)
Vulnerability from nvd – Published: 2025-06-13 00:00 – Updated: 2025-06-13 15:46
VLAI
EPSS
VEX
Summary
Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 15:45 UTC
CWE
- n/a
- CWE-521 - Weak Password Requirements
Assigner
References
2 references
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CVE-2025-28388 (GCVE-0-2025-28388)
Vulnerability from nvd – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:14
VLAI
EPSS
VEX
Summary
OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 15:49 UTC
CWE
- n/a
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
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CVE-2025-28386 (GCVE-0-2025-28386)
Vulnerability from nvd – Published: 2025-06-13 00:00 – Updated: 2025-06-17 18:17
VLAI
EPSS
VEX
Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-17 18:16 UTC
CWE
- n/a
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
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CVE-2025-28384 (GCVE-0-2025-28384)
Vulnerability from nvd – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:25
VLAI
EPSS
VEX
Summary
An issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 17:44 UTC
CWE
- n/a
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
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CVE-2025-28382 (GCVE-0-2025-28382)
Vulnerability from nvd – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:34
VLAI
EPSS
VEX
Summary
An issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 17:38 UTC
CWE
- n/a
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
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CVE-2025-28381 (GCVE-0-2025-28381)
Vulnerability from nvd – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:19
VLAI
EPSS
VEX
Summary
A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment variables stored in all containers.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 16:05 UTC
CWE
- n/a
- CWE-526 - Cleartext Storage of Sensitive Information in an Environment Variable
Assigner
References
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CVE-2025-28380 (GCVE-0-2025-28380)
Vulnerability from nvd – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:04
VLAI
EPSS
VEX
Summary
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.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 20:36 UTC
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2026-77602 (GCVE-0-2026-77602)
Vulnerability from cvelistv5 – Published: 2026-09-23 18:56 – Updated: 2026-09-29 02:09
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)
Summary
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 below the intended code-execution privilege tier. Table and command or telemetry definitions are processed through ConfigParser, PacketConfig, GENERIC_READ_CONVERSION, or GENERIC_WRITE_CONVERSION, allowing ERB rendering or Ruby and Python evaluation, while openc3-cosmos-script-runner-api/scripts/run_suite_analysis.rb executes suite procedure files through require. Storage uploads, screen saves, and script creation can place content in the overlay, and triggering table processing, a cmd/tlm reload, or suite analysis executes the content in cmd-tlm-api, decom microservices, or Script Runner with access to internal credentials and data. This issue is fixed in version 7.3.0.
Severity
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 02:08 UTC
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/pull/3488 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/71943352a… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/7a1538a46… | x_refsource_MISC |
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CVE-2026-77394 (GCVE-0-2026-77394)
Vulnerability from cvelistv5 – Published: 2026-09-23 18:53 – Updated: 2026-09-23 19:28
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Stored, cross-user XSS via Telemetry screen BUTTON widget
Summary
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 is evaluated by openc3-cosmos-init/plugins/packages/openc3-vue-common/src/widgets/ButtonWidget.vue in another operator's browser session when the button is activated. The stored script runs in the COSMOS origin and can read localStorage.openc3Token, allowing theft of the victim's bearer token, account takeover, and actions with the victim's privileges. The permissive content security policy contributes to execution but is not the primary root cause. This issue is fixed in version 7.3.0.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 19:27 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/pull/3560 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/10371f8f4… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.3.0 | x_refsource_MISC |
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CVE-2026-77601 (GCVE-0-2026-77601)
Vulnerability from cvelistv5 – Published: 2026-09-23 18:50 – Updated: 2026-09-23 19:28
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting
Summary
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.install_phase2 in openc3/lib/openc3/models/plugin_model.rb to interpolate the value into a shell command while installing a plugin with Python dependency metadata. Shell metacharacters in the setting are interpreted by the command shell, allowing arbitrary operating-system commands to run as the openc3 service user with access to Redis and bucket credentials. Open-source deployments permit any authenticated user to reach the affected operations, while Enterprise deployments require an administrator. This issue is fixed in version 7.3.0.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 19:28 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/pull/3489 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/be70d1d83… | x_refsource_MISC |
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CVE-2026-42088 (GCVE-0-2026-42088)
Vulnerability from cvelistv5 – Published: 2026-05-04 17:21 – Updated: 2026-05-04 19:36
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Administrative Actions via the Script Runner Tool
Summary
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. Because all the docker containers share a network, users can execute specially crafted scripts to bypass the API permissions check and perform administrative actions, including reading and modifying data inside the Redis database, which can be used to read secrets and change COSMOS settings, as well as read and write to the buckets service, which holds configuration, log, and plugin files. These actions are normally only available from the Admin Console or with administrative privileges. Any user with permission to create and run scripts can connect to any service in the docker network. This issue has been patched in version 7.0.0-rc3.
Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 19:35 UTC
CWE
- CWE-250 - Execution with Unnecessary Privileges
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/releases/tag/v7.0.0 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.… | x_refsource_MISC |
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CVE-2026-42087 (GCVE-0-2026-42087)
Vulnerability from cvelistv5 – Published: 2026-05-04 17:18 – Updated: 2026-05-05 12:46
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: SQL Injection in QuestDB Time-Series Data Base
Summary
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 function in the cvt_model.rb file directly places user-supplied input into a SQL query without sanitizing the input. As a result, a user can break out of the initial SQL statement and execute arbitrary SQL commands, including deleting data. This issue has been patched in version 7.0.0-rc3.
Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-05 12:46 UTC
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/commit/9ba60c09c… | x_refsource_MISC |
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CVE-2026-42086 (GCVE-0-2026-42086)
Vulnerability from cvelistv5 – Published: 2026-05-04 17:15 – Updated: 2026-05-04 19:47
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Self-XSS in the Command Sender
Summary
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 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 allowed to influence the array parameter input, for example via phishing. If successful, an attacker may read or modify data in the authenticated browser context, including session tokens in local storage. This issue has been patched in version 7.0.0.
Severity
4.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 19:46 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-42085 (GCVE-0-2026-42085)
Vulnerability from cvelistv5 – Published: 2026-05-04 17:13 – Updated: 2026-05-04 18:47
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Arbitrary write to plugins directory via path-traversed config filenames
Summary
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 arbitrary locations inside the shared /plugins directory tree by supplying crafted configuration filenames. Although the implementation sufficiently mitigates standard path traversal attacks, by canonicalizing filename to an absolute path, all plugins share this same root directory. That enables users to create arbitrary file structures and overwrite existing configuration files within the shared /plugins directory. This issue has been patched in versions 6.10.5 and 7.0.0-rc3.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 18:43 UTC
CWE
- CWE-23 - Relative Path Traversal
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/commit/9957a9fa4… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/commit/e6efccbd1… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v6.10.5 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.… | x_refsource_MISC |
Impacted products
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CVE-2026-42084 (GCVE-0-2026-42084)
Vulnerability from cvelistv5 – Published: 2026-05-04 17:11 – Updated: 2026-05-06 13:39
VLAI
EPSS
VEX
Title
OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence
Summary
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, 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 gain persistence in hijacked account (including admin) and prevent legitimate users from accessing the account. This issue has been patched in versions 6.10.5 and 7.0.0-rc3.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-06 13:39 UTC
CWE
- CWE-620 - Unverified Password Change
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OpenC3/cosmos/commit/2e623714e… | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v6.10.5 | x_refsource_MISC |
| https://github.com/OpenC3/cosmos/releases/tag/v7.… | x_refsource_MISC |
Impacted products
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CVE-2025-68271 (GCVE-0-2025-68271)
Vulnerability from cvelistv5 – Published: 2026-01-13 18:32 – Updated: 2026-01-13 20:00
VLAI
EPSS
VEX
Title
Unauthenticated Remote Code Execution in openc3-api
Summary
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 certain APIs, attacker-controlled parameter text is parsed into values using String#convert_to_value. For array-like inputs, convert_to_value executes eval(). Because the cmd code path parses the command string before calling authorize(), an unauthenticated attacker can trigger Ruby code execution even though the request ultimately fails authorization (401). This vulnerability is fixed in 6.10.2.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-13 20:00 UTC
CWE
- CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OpenC3/cosmos/security/advisor… | x_refsource_CONFIRM |
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CVE-2025-28382 (GCVE-0-2025-28382)
Vulnerability from cvelistv5 – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:34
VLAI
EPSS
VEX
Summary
An issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 17:38 UTC
CWE
- n/a
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
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CVE-2025-28380 (GCVE-0-2025-28380)
Vulnerability from cvelistv5 – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:04
VLAI
EPSS
VEX
Summary
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.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 20:36 UTC
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2025-28386 (GCVE-0-2025-28386)
Vulnerability from cvelistv5 – Published: 2025-06-13 00:00 – Updated: 2025-06-17 18:17
VLAI
EPSS
VEX
Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-17 18:16 UTC
CWE
- n/a
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
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CVE-2025-28388 (GCVE-0-2025-28388)
Vulnerability from cvelistv5 – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:14
VLAI
EPSS
VEX
Summary
OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 15:49 UTC
CWE
- n/a
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
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CVE-2025-28381 (GCVE-0-2025-28381)
Vulnerability from cvelistv5 – Published: 2025-06-13 00:00 – Updated: 2025-10-27 15:19
VLAI
EPSS
VEX
Summary
A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment variables stored in all containers.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-13 16:05 UTC
CWE
- n/a
- CWE-526 - Cleartext Storage of Sensitive Information in an Environment Variable
Assigner
References
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