CVE-2024-47529 OpenC3 COSMOS uses clear text storage of password/token (`GHSL-2024-129`)

What is CVE-2024-47529?

CVE-2024-47529 is a medium-severity vulnerability in OpenC3 cosmos, published on 2 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. OpenC3 COSMOS stores the password of a user unencrypted in the LocalStorage of a web browser. This makes the user password susceptible to exfiltration via Cross-site scripting (see GHSL-2024-128). This vulnerability is fixed in 5.19.0. This only affects Open Source edition, and not OpenC3 COSMOS Enterprise Edition.

Weakness: CWE-312

Which versions are affected by CVE-2024-47529?

7 open source packages ship an affected version, including openc3 and @openc3/tool-common. It affects 1 product.

Products include Openc3 Cosmos.

How do I fix CVE-2024-47529?

Upgrade openc3 to 5.19.0 or later.

Is CVE-2024-47529 being exploited?

There is no known exploitation of CVE-2024-47529 in the wild and no public exploit code.

Other vulnerabilities in OpenC3 cosmos

• CVE-2025-28386 Code injection in n/a Critical 9.8
• CVE-2025-28388 Hardcoded credentials in n/a Critical 9.8
• CVE-2025-28389 Weak cryptography in n/a Critical 9.8
• CVE-2026-42087 OpenC3 COSMOS: SQL Injection in QuestDB Time-Series Data Base Critical 9.6
• CVE-2026-42088 OpenC3 COSMOS: Administrative Actions via the Script Runner Tool Critical 9.6

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4xqv-47rm-37mm, PYSEC-2024-121.