CVE-2025-62593: Ray-Project Ray Code Injection Vulnerability

What it is

Ray-Project Ray contains a code injection vulnerability that could allow remote code execution. Developers using Ray as a development tool may be exposed to this vulnerability exploitable through Firefox and Safari.

What to do

Treat this as urgent. Identify every affected system, starting with anything internet-facing, and apply the vendor fix or mitigation within days. If you cannot patch quickly, isolate or disable the affected service and watch for signs of compromise.

Priority

Act now: Patch or mitigate internet-facing systems within days.

Severity (CVSS)

9.4 critical

CISA assessment (SSVC)

actively exploited; attackers can automate it at scale; total control of the affected system

Exploit probability (EPSS, 30 days)

62%, in the top 1% of all CVEs

Added to CISA KEV

17 August 2026

CISA fix-by date

20 August 2026 (US federal agencies; a sensible deadline for everyone)

Ransomware use

Not known

Weakness

CWE-94, CWE-352

References

• NIST NVD entry
• CISA KEV entry
• github.com/ray-project/ray/commit/70e7c72780bdec075dba6cad1afe0832772bfe09
• github.com/ray-project/ray/security/advisories/GHSA-q279-jhrf-cc6v
• www.bitsight.com/blog/rondodox-botnet-infrastructure-analysis
• www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-62593

Sources: CISA Known Exploited Vulnerabilities · FIRST Exploit Prediction Scoring System (EPSS) · NIST National Vulnerability Database · CISA Vulnrichment (SSVC), via the CVE Program. This product uses data from the NVD API but is not endorsed or certified by the NVD. Summaries are machine-written from CISA’s description; treat the vendor’s advisory as the authority for fixes.