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CVE-2024-45258

28
FAUCET Score

CVE-2024-45258 is a critical vulnerability affecting the Go req package prior to version 3.43.4, where malformed URLs can lead to unintended requests due to a "garbage in, garbage out" design in the cleanHost function. This flaw carries a CVSS score of 9.8, indicating a severe risk with potential for complete compromise of confidentiality, integrity, and availability, requiring no user interaction or complex attack vectors. While highly severe, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
N/AN/A
n/aCNA affected

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
0.72%
Probability of exploitation in next 30 days
EPSS Percentile
50.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0072 is in the 33rd 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 (3)

gopatch availablevia ghsa
Product: github.com/imroc/req/v3Fixed in: 3.43.4
gopatch availablevia ghsa
Product: github.com/imroc/reqFixed in: 3.43.4
gopatch availablevia ghsa
Product: github.com/imroc/req/v2Fixed in: 3.43.4

Vendor Advisories (1)

goGHSA-cj55-gc7m-wvcqmedium

req may send an unintended request when a malformed URL is provided

Aug 26, 2024

References

github.com / imroc/req/commit/04e3ece5b380ecad9da3551c449f1b8a9aa76d3d
github.com / imroc/req/compare/v3.43.3...v3.43.4