Skip to content
Fencer Vulns
high 7.5

CVE-2023-6021 in the critical feed json

Ray Log File Local File Include

published 2023-11-16 2 y ago modified 2026-09-10 1 mo ago also GHSA-3pww-qvr8-6mhp , PYSEC-2026-515 , EUVD-2023-2864

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
37.1%
EPSS 37.1% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

LFI in Ray's log API endpoint allows attackers to read any file on the server without authentication. The issue is fixed in version 2.8.1+. Ray maintainers' response can be found here: https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023

Patch / fix

  • pypi ray 2.8.1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

37.08% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Ray API - Local File Inclusion nuclei detection template
  • huntr.com https://huntr.com/bounties/5039c045-f986-4cbc-81ac-370fe4b0d3f8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub 3.0 9.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
OSV 3.0 9.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi ray
<2.8.1
2.8.1

Affected products

  • ray-project ray-project/ray

Classification

Weakness
  • CWE-29 Path Traversal: '\..\filename'
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.