An issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers…
Priority HIGH 72CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
An issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00886 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | openc3-cosmos-tool-iframe (RubyGems) | — | — | No fix listed | GHSA-cf8v-5mrc-jv7f |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- openc3-cosmos-tool-iframe (RubyGems) Vendor— Affected — Fixed in — No fix listed GHSA-cf8v-5mrc-jv7f
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-28382
- 2026-10-03 Alias added: GHSA-cf8v-5mrc-jv7f
References
Exploit 1
Other 8
- https://openc3.com/
- https://github.com/OpenC3/cosmos/releases/tag/v6.1.0
- https://github.com/OpenC3/cosmos/pull/1828
- https://github.com/OpenC3/cosmos/commit/fc7e11310a7cdf9f1939886e1b29009db4d4b718
- https://github.com/OpenC3/cosmos
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/openc3-cosmos-tool-iframe/CVE-2025-28382.yml
- https://openc3.com
- https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-framework
More OpenC3 Cosmos vulnerabilities
- TI-2025-20781 Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack. CVSS 3.1CRITICAL 9.8
- TI-2025-20780 OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account. CVSS 3.1CRITICAL 9.8
- TI-2025-20779 A remote code execution (RCE) vulnerability in the Plugin Management component of OpenC3… CVSS 3.1CRITICAL 9.8
- TI-2025-20778 An issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS before 6.1.0 allows… CVSS 3.1CRITICAL 9.1
- TI-2026-30456 OpenC3 COSMOS: Administrative Actions via the Script Runner Tool CVSS 3.1CRITICAL 9.6
- TI-2026-30455 OpenC3 COSMOS: SQL Injection in QuestDB Time-Series Data Base CVSS 3.1CRITICAL 9.6
Sources
- CVE-2025-28382 · CVE Program
- CVE-2025-28382 · NVD
- FIRST EPSS
- GHSA-cf8v-5mrc-jv7f · GitHub Advisory Database · CC BY 4.0
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