CVE-2025-68271
Unauthenticated RCE via JSON-RPC in OpenC3 COSMOS 5.0.0–6.10.1
Is CVE-2025-68271 being exploited?
Not confirmed. CVE-2025-68271 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.63% probability of exploitation in the next 30 days.
How severe is CVE-2025-68271?
CVE-2025-68271 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-68271?
Yes. A fix has been recorded for CVE-2025-68271. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-68271 affect?
CVE-2025-68271 affects OpenC3 COSMOS 5.0.0–6.10.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-68271?
Upgrade to 6.10.2+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated RCE via JSON-RPC; attacker-controlled input triggers Ruby eval, bypassing authorization.
Patch when possible
- affected>= 5.0.0 and < 6.10.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.