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CVE-2023-32059

23
FAUCET Score

CVE-2023-32059 is a critical vulnerability affecting Vyper, a Pythonic smart contract language, specifically versions prior to 0.3.8. It stems from incorrect compilation of internal calls with default arguments, leading to typechecking bypass if argument types are incompatible. The vulnerability has a high CVSS score of 7.5, indicating a network-based attack with low complexity and high impact on integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.8CPE matchmatch criteria
cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 26th percentile among its peer group of 51,485 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: vyperFixed in: 0.3.8

Vendor Advisories (1)

pipGHSA-ph9x-4vc9-m39ghigh

Vyper vulnerable to incorrect ordering of arguments for kwargs passed to internal calls

May 12, 2023

References

github.com / vyperlang/vyper/commit/c3e68c302aa6e1429946473769dd1232145822ac
Patch
github.com / vyperlang/vyper/security/advisories/GHSA-ph9x-4vc9-m39g
ExploitVendor Advisory