CVE-2026-21697

{"id": "CVE-2026-21697", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21697", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-08T20:37:08.423675Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "rezmoss", "product": "axios4go", "versions": [{"status": "affected", "version": "< 0.6.4"}]}]}], "published": "2026-01-07T23:15:50.533", "references": [{"url": "https://github.com/rezmoss/axios4go/commit/b651604c64e66a115ab90cdab358b0181d74a842", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/rezmoss/axios4go/releases/tag/v0.6.4", "tags": ["Product"], "source": "security-advisories@github.com"}, {"url": "https://github.com/rezmoss/axios4go/security/advisories/GHSA-cmj9-27wj-7x47", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "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`'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."}, {"lang": "es", "value": "axios4go es una biblioteca cliente HTTP de Go. Antes de la versi\u00f3n 0.6.4, existe una vulnerabilidad de condici\u00f3n de carrera en la configuraci\u00f3n compartida del cliente HTTP. El `defaultClient` global se muta durante la ejecuci\u00f3n de la solicitud sin sincronizaci\u00f3n, modificando directamente las propiedades `Transport`, `Timeout` y `CheckRedirect` del `http.Client` compartido. Las aplicaciones afectadas incluyen aquellas que usan axios4go con solicitudes concurrentes (m\u00faltiples goroutines, `GetAsync`, `PostAsync`, etc.), aquellas donde diferentes solicitudes usan diferentes configuraciones de proxy, y aquellas que manejan datos sensibles (credenciales de autenticaci\u00f3n, tokens, claves API). La versi\u00f3n 0.6.4 corrige este problema."}], "lastModified": "2026-06-17T10:18:56.770", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rezmoss:axios4go:*:*:*:*:*:go:*:*", "vulnerable": true, "matchCriteriaId": "53BFBFF7-32A9-4C6A-B563-6CABA5301DE5", "versionEndExcluding": "0.6.4"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}