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CVE-2023-51663

17
FAUCET Score

CVE-2023-51663 is a medium-severity vulnerability affecting the Hail data analysis tool, stemming from its reliance on OIDC email addresses for domain verification. An attacker can manipulate their email address to gain unauthorized access to Hail Batch clusters belonging to a different organization, allowing them to run jobs or create Azure Tenants if specific conditions are met. The CVSS score of 5.3 indicates a network-based attack with low complexity and no user interaction required, leading to a low impact on integrity and no impact on confidentiality or availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.2.127CPE matchmatch criteria
cpe:2.3:a:hail:hail:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 18th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: hailFixed in: 0.2.127
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

pipGHSA-487p-qx68-5vjwmedium

Hail relies on OIDC email claims to verify the validity of a user's domain.

Jan 2, 2024

References

github.com / hail-is/hail/security/advisories/GHSA-487p-qx68-5vjw
MitigationThird Party Advisory