CVE-2025-62593
Ray is vulnerable to Critical RCE via Safari & Firefox Browsers through DNS Rebinding Attack
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-08-17. Federal due date: 2026-08-20.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | ray | < 2.52.0 | 2.52.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Anyscale | Ray | before 2.52.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- CISA KEV catalog
- https://github.com/ray-project/ray/commit/70e7c72780bdec075dba6cad1afe0832772bfe09
- https://github.com/ray-project/ray/security/advisories/GHSA-q279-jhrf-cc6v
- https://www.bitsight.com/blog/rondodox-botnet-infrastructure-analysis
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-62593
- https://github.com/advisories/GHSA-q279-jhrf-cc6v
- https://github.com/nccgroup/singularity/pull/68
- https://docs.ray.io/en/releases-2.51.1/ray-security/index.html
- https://en.wikipedia.org/wiki/Malvertising
- https://github.com/ray-project/ray/blob/e7889ae542bf0188610bc8b06d274cbf53790cbd/python/ray/dashboard/http_server_head.py#L184-L196
- https://github.com/ray-project/ray/blob/f39a860436dca3ed5b9dfae84bd867ac10c84dc6/python/ray/dashboard/optional_utils.py#L129-L155
- https://nvd.nist.gov/vuln/detail/CVE-2025-62593