openc3 Known Vulnerabilities & Fixes
openc3 has 5 known security vulnerabilities in PyPI (Python). Upgrade to version 7.0.0 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 7.0.0
Upgrading to 7.0.0 or later resolves all 5 known vulnerabilities in openc3. Run: pip install "openc3>=7.0.0"
Is openc3 in your project?
Check if you're affected and upgrade to 7.0.0 to stay secure.
Security Summary
- 5 affected version ranges have been identified across these 5 advisories.
- 100% of known issues have a published fixed version.
- Remediation: pip install --upgrade openc3
Vulnerabilities
5 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Oct 2, 2024, most recently May 4, 2026 (579 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-42087 | CRITICAL | 6.10.0, 6.10.1, 6.10.2, 6.10.3 (+11 more) | 7.0.0 |
| CVE-2024-46977 OpenC3 Path Traversal via screen controller (`GHSL-2024-127`) | HIGH | 0.1.0, 5.10.0, 5.10.1, 5.11.0 (+18 more) | 5.19.0 |
| CVE-2024-47529 OpenC3 stores passwords in clear text (`GHSL-2024-129`) | MEDIUM | 0.1.0, 5.10.0, 5.10.1, 5.11.0 (+18 more) | 5.19.0 |
| CVE-2026-42086 OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender | MEDIUM | 0.1.0, 5.10.0, 5.10.1, 5.11.0 (+48 more) | 7.0.0 |
| CVE-2024-43795 OpenC3 Cross-site Scripting in Login functionality (`GHSL-2024-128`) | MEDIUM | 0.1.0, 5.10.0, 5.10.1, 5.11.0 (+18 more) | 5.19.0 |
About This Data
Vulnerability data for openc3 is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related PyPI (Python) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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