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CVE-2023-31543

30
FAUCET Score

CVE-2023-31543 is a critical dependency confusion vulnerability affecting pipreqs versions 0.3.0 through 0.4.11. This flaw allows an unauthenticated attacker to execute arbitrary code by uploading a malicious PyPI package to a repository server. With a CVSS score of 9.8, it poses a severe risk due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While there are no known public exploits or active exploitation, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.3.0, <= 0.4.11CPE matchmatch criteria
cpe:2.3:a:pipreqs_project:pipreqs:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 51st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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: pipreqsFixed in: 0.4.12

Vendor Advisories (1)

pipGHSA-v4f4-23wc-99mhcritical

pipreqs vulnerable to Dependency Confusion

Jun 30, 2023

References

gist.github.com / adeadfed/ccc834440af354a5638f889bee34bafe
ExploitMitigationThird Party Advisory
github.com / bndr/pipreqs/pull/364
ExploitMitigationPatchVendor Advisory