{"id":75745,"date":"2026-01-08T02:45:50","date_gmt":"2026-01-07T23:15:50","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-21697-axios4gos-race-condition-in-shared-http-client-allows-proxy-configuration-leak\/"},"modified":"2026-01-08T02:45:50","modified_gmt":"2026-01-07T23:15:50","slug":"cve-2026-21697-axios4gos-race-condition-in-shared-http-client-allows-proxy-configuration-leak","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-21697-axios4gos-race-condition-in-shared-http-client-allows-proxy-configuration-leak\/","title":{"rendered":"CVE-2026-21697 &#8211; axios4go&#8217;s Race Condition in Shared HTTP Client Allows Proxy Configuration Leak"},"content":{"rendered":"<p>CVE ID : CVE-2026-21697<\/p>\n<p>Published :  Jan. 7, 2026, 11:15 p.m. | 1\u00a0hour, 12\u00a0minutes ago<\/p>\n<p>Description : axios4go is a Go HTTP client library. Prior to version 0.6.4, a race condition vulnerability exists in the shared HTTP client configuration. The global `defaultClient` is mutated during request execution without synchronization, directly modifying the shared `http.Client`&#8217;s `Transport`, `Timeout`, and `CheckRedirect` properties. Impacted applications include that that use axios4go with concurrent requests (multiple goroutines, `GetAsync`, `PostAsync`, etc.), those where different requests use different proxy configurations, and those that handle sensitive data (authentication credentials, tokens, API keys). Version 0.6.4 fixes this issue.<\/p>\n<p>Severity: 8.2 | HIGH<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2026-21697 Published : Jan. 7, 2026, 11:15 p.m. | 1\u00a0hour, 12\u00a0minutes ago Description : axios4go is a Go HTTP client library. Prior to version 0.6.4, a race condition vulnerability exists in the shared HTTP client configuration. The global `defaultClient` is mutated during request execution without synchronization, directly modifying the shared `http.Client`&#8217;s `Transport`, &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-75745","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/75745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=75745"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/75745\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=75745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=75745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=75745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}