CVE-2026-21697 is a race condition vulnerability in the axios4go Go HTTP client library prior to version 0.6.4. It affects applications using axios4go with concurrent requests, particularly those handling sensitive data or different proxy configurations, due to unsynchronized modification of the global defaultClient's HTTP transport properties. With a CVSS score of 8.2 (HIGH), this vulnerability has a network attack vector and low attack complexity, potentially leading to high integrity impact. The EPSS score is low at 0.0015, indicating a low likelihood of exploitation. Currently, there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and no community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.6.4CPE matchmatch criteria | cpe:2.3:a:rezmoss:axios4go:*:*:*:*:*:go:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub 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 records are not available for this CVE.