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CVE-2023-0440

20
FAUCET Score

CVE-2023-0440 describes an observable discrepancy vulnerability in GitHub's healthchecks/healthchecks prior to version 2.6. This medium-severity vulnerability, with a CVSS score of 5.3, can be exploited remotely with low complexity, potentially leading to a limited disclosure of information without requiring user interaction or elevated privileges. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6CPE matchmatch criteria
cpe:2.3:a:healthchecks:healthchecks:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 27th percentile among its peer group of 23,723 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / healthchecks/healthchecks/commit/359edbd2709e27b60687061a32e19322bc971c1f
PatchThird Party Advisory
huntr.dev / bounties/208a096f-7986-4eed-8629-b7285348a686
ExploitIssue TrackingPatchThird Party Advisory