CVE-2023-6021
Ray Log File Local File Include
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.5
Ray Log File Local File Include
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
- Record
CVE-2023-6021- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-29
- Updated
- 2026-11-02
EUVDEUVD-2023-2864
7.5
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
- Record
EUVD-2023-2864- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3pww-qvr8-6mhp
9.3
Ray Path Traversal vulnerability
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
- Record
GHSA-3pww-qvr8-6mhp- CVSS 3.0
- 9.3 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N - Weakness
- CWE-22, CWE-29
- Updated
- 2026-11-02
NVD
7.5
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
- Record
CVE-2023-6021- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-29, CWE-22
- Updated
- 2026-11-02
OSV
7.5
Ray Log File Local File Include
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
- Record
CVE-2023-6021- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-29
- Updated
- 2026-11-02
OSVGHSA-3pww-qvr8-6mhp
9.3
Ray Path Traversal vulnerability
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
- Record
GHSA-3pww-qvr8-6mhp- CVSS 3.0
- 9.3 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N - Weakness
- CWE-22, CWE-29
- Updated
- 2026-11-02
OSVPYSEC-2026-515
9.3
Ray Path Traversal vulnerability
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
- Record
PYSEC-2026-515- CVSS 3.0
- 9.3 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
rayPyPI |
before 2.8.1 | 2.8.1 |
rayPyPI |
before 2.8.1, plus listed versions 0.1.10.1.20.2.00.2.10.2.2 Show 45 moreShow less0.3.00.3.10.4.00.5.00.5.20.5.30.6.00.6.10.6.20.6.30.6.40.6.50.6.60.7.00.7.10.7.20.7.30.7.40.7.50.7.60.7.70.8.00.8.10.8.20.8.30.8.40.8.50.8.60.8.71.0.01.0.11.1.01.10.01.11.01.11.11.12.01.12.11.13.01.2.01.3.01.4.01.4.11.5.01.5.11.5.2 |
2.8.1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Ray API - Local File Inclusion |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-6021 is a high vulnerability (CVSS 7.5) in Ray Project Ray, published November 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 37.1%, the 98th percentile. Fixed in ray 2.8.1.
References
huntr.com/bounties/5039c045-f986-4cbc-81ac-370fe4b0d3f8
nvd.nist.gov/vuln/detail/CVE-2023-6021
anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023
github.com/ray-project/ray/releases/tag/ray-2.8.1
github.com/advisories/GHSA-3pww-qvr8-6mhp
github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6021.json
github.com/ray-project/ray
pypi.org/project/ray
Left out here: 26 versions. The JSON record has them.