StackPrism

npm package

axios 1.15.1 vulnerabilities, and the version that fixes all of them

axios 1.15.1 has 27 known vulnerabilities (12 rated high or critical); 1.20.0 fixes all of them.

npm (opens in a new tab) describes it as “Promise based HTTP client for the browser and node.js”

Known vulnerabilities
27
12 rated high or critical
Released
Apr 19, 2026
Latest is 1.20.0
Downloads last week
348.3K
Under 1% of axios downloads
Licence
MIT
OpenSSF Scorecard
7.7/10
axios/axios (opens in a new tab)
Pulls in
25 packages
Resolved by deps.dev

What to upgrade to

1.20.0 is the closest release with no known vulnerabilities.

  • 1.20.0Upgrade to this

    Fixes all 27 known vulnerabilities and the newest 1.x release and the latest release. Released Aug 26, 2026.

    No known vulnerabilities

1.20.0 came out on Aug 26, 2026. A coding agent trained before then doesn’t know it exists, so it may suggest an older release. AI knowledge cutoff dates

Hand the fix to your coding agent

One task with the upgrade, the file to change and why. Paste it into Claude Code, Cursor or Codex.

Findings

Every advisory for axios 1.15.1

Known exploited first (CISA KEV), then by how likely they are to be exploited (FIRST EPSS), then by severity. Each id links to its OSV.dev record.

  1. WarningCVE-2026-44490 on OSV.dev (opens in a new tab)GHSA-898c-q2cr-xwhgEPSS: top 26%

    axios has DoS & Header Injection via Prototype Pollution Read-Side Gadgets in axios merge functions

    Fixed in 1.16.0. Published May 29, 2026.

  2. CriticalCVE-2026-44492 on OSV.dev (opens in a new tab)GHSA-pjwm-pj3p-43mvEPSS: top 33%

    axios's shouldBypassProxy does not recognize IPv4-mapped IPv6 addresses, allowing NO_PROXY bypass (incomplete fix for CVE-2025-62718)

    Fixed in 1.16.0. Published May 29, 2026.

  3. CriticalCVE-2026-44495 on OSV.dev (opens in a new tab)GHSA-3g43-6gmg-66jwEPSS: top 37%

    axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

    Fixed in 1.15.2. Published May 29, 2026.

  4. CriticalCVE-2026-44496 on OSV.dev (opens in a new tab)GHSA-hfxv-24rg-xrqfEPSS: top 39%

    Axios: Regular Expression Denial of Service (ReDoS) via Cookie Name Injection

    Fixed in 1.16.0. Published Jun 4, 2026.

  5. CriticalCVE-2026-44494 on OSV.dev (opens in a new tab)GHSA-35jp-ww65-95whEPSS: top 41%

    axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

    Fixed in 1.16.0. Published May 29, 2026.

  6. CriticalCVE-2026-44488 on OSV.dev (opens in a new tab)GHSA-777c-7fjr-54vfEPSS: top 41%

    Allocation of Resources Without Limits or Throttling in Axios

    Fixed in 1.16.0. Published Jun 4, 2026.

  7. CriticalCVE-2026-42264 on OSV.dev (opens in a new tab)GHSA-q8qp-cvcw-x6jjEPSS: top 46%

    Axios has prototype pollution read-side gadgets in HTTP adapter that allow credential injection and request hijacking

    Fixed in 1.15.2. Published May 5, 2026.

  8. CriticalCVE-2026-44487 on OSV.dev (opens in a new tab)GHSA-p92q-9vqr-4j8vEPSS: top 46%

    Axios: Proxy-Authorization Credential Leak to Origin Server Across HTTP-to-HTTPS Redirect in Axios Node.js HTTP Adapter

    Fixed in 1.16.0. Published Jun 4, 2026.

  9. CriticalCVE-2026-44486 on OSV.dev (opens in a new tab)GHSA-j5f8-grm9-p9fcEPSS: top 46%

    Axios: Proxy-Authorization header leaks to redirect target when proxy is re-evaluated to direct connection

    Fixed in 1.16.0. Published Jun 4, 2026.

  10. WarningCVE-2026-67318 on OSV.dev (opens in a new tab)GHSA-mwf2-3pr3-8698EPSS: top 52%

    Axios: HTTP/2 streamed uploads bypass `maxBodyLength`

    Fixed in 1.18.0. Published Jul 20, 2026.

  11. WarningCVE-2026-42044 on OSV.dev (opens in a new tab)GHSA-3w6x-2g7m-8v23EPSS: top 52%

    Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget in `parseReviver`

    Fixed in 1.15.2. Published May 5, 2026.

  12. WarningCVE-2026-67317 on OSV.dev (opens in a new tab)GHSA-jqh4-m9w3-8hp9EPSS: top 53%

    Axios: Fetch adapter `ReadableStream` uploads bypass `maxBodyLength`

    Fixed in 1.18.0. Published Jul 20, 2026.

  13. WarningCVE-2026-101900 on OSV.dev (opens in a new tab)GHSA-4hqw-qxg8-jxx2EPSS: top 56%

    Axios: Fetch Adapter Header Injection via Inherited FormData getHeaders

    Fixed in 1.20.0. Published Sep 30, 2026.

  14. WarningCVE-2026-67321 on OSV.dev (opens in a new tab)GHSA-hcpx-6fm6-wx23EPSS: top 57%

    Axios form serializer maxDepth bypass via {} metatoken

    Fixed in 1.18.0. Published Jul 20, 2026.

  15. CriticalCVE-2026-101898 on OSV.dev (opens in a new tab)GHSA-3pq3-5fj3-cg6vEPSS: top 57%

    Axios: HTTP/2 adapter bypasses configured DNS lookup and proxy controls

    Fixed in 1.20.0. Published Sep 30, 2026.

  16. WarningCVE-2026-101899 on OSV.dev (opens in a new tab)GHSA-44g4-m2mj-wpvxEPSS: top 57%

    Axios: CIDR-form NO_PROXY entries are ignored, causing proxy exclusion bypass for internal IP ranges

    Fixed in 1.20.0. Published Sep 30, 2026.

  17. WarningCVE-2026-67313 on OSV.dev (opens in a new tab)GHSA-42h9-826w-cgv3EPSS: top 58%

    Axios: Excessive recursion in formDataToJSON can cause denial of service

    Fixed in 1.18.0. Published Jul 20, 2026.

  18. WarningCVE-2026-67312 on OSV.dev (opens in a new tab)GHSA-pmv8-rq9r-6j72EPSS: top 58%

    Axios: Deep formToJSON Key Recursion Can Cause Denial of Service

    Fixed in 1.18.0. Published Jul 20, 2026.

  19. WarningCVE-2026-67315 on OSV.dev (opens in a new tab)GHSA-f4gw-2p7v-4548EPSS: top 62%

    Axios: NO_PROXY bypass for 0.0.0.0 local addresses in axios

    Fixed in 1.18.0. Published Jul 20, 2026.

  20. WarningCVE-2026-101904 on OSV.dev (opens in a new tab)GHSA-j8rh-479h-cp32EPSS: top 65%

    Axios: Header Injection via Inherited headers After Minimal Interceptor

    Fixed in 1.20.0. Published Sep 30, 2026.

  21. WarningCVE-2026-67316 on OSV.dev (opens in a new tab)GHSA-mmx7-hfxf-jppxEPSS: top 65%

    Axios: Prototype pollution gadgets can alter axios request construction

    Fixed in 1.18.0. Published Jul 20, 2026.

  22. WarningCVE-2026-101908 on OSV.dev (opens in a new tab)GHSA-vh66-26gq-q6x8EPSS: top 66%

    Axios: Prototype pollution gadget in fetch adapter can alter outbound requests

    Fixed in 1.20.0. Published Sep 30, 2026.

  23. WarningCVE-2026-101902 on OSV.dev (opens in a new tab)GHSA-9fr6-4gfg-395gEPSS: top 66%

    Axios: Prototype-Pollution Gadget in the Default Instance Allows Inherited Object.prototype.method to Override HTTP Method

    Fixed in 1.20.0. Published Sep 30, 2026.

  24. CriticalCVE-2026-101906 on OSV.dev (opens in a new tab)GHSA-mghh-pgcx-3jjjEPSS: top 68%

    Axios: ReDoS (O(N²)) in shouldBypassProxy host normalization, reachable via untrusted redirect Location

    Fixed in 1.20.0. Published Sep 30, 2026.

  25. CriticalCVE-2026-101901 on OSV.dev (opens in a new tab)GHSA-542g-h47m-68v8EPSS: top 70%

    Axios: Denial of Service via Unhandled 'error' Event in HTTP/2 ClientHttp2Session Initialization

    Fixed in 1.20.0. Published Sep 30, 2026.

  26. CriticalCVE-2026-101909 on OSV.dev (opens in a new tab)GHSA-x97p-jq2g-jp4fEPSS: top 73%

    Axios: Prototype Pollution Gadget in axios toFormData Options

    Fixed in 1.20.0. Published Sep 30, 2026.

  27. WarningCVE-2026-67319 on OSV.dev (opens in a new tab)GHSA-7q8q-rj6j-mhjqEPSS: top 77%

    Axios: Nested axios option objects can consume polluted prototype values

    Fixed in 1.18.0. Published Jul 20, 2026.

Who is still on a vulnerable axios

62% of last week’s 119.1M axios downloads went to versions with known vulnerabilities.

From npm’s per-version download counts for the last 7 days, each version checked against OSV.dev. The versions checked cover over 99% of downloads.

Is axios the only one?

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How this page is checked

StackPrism asks OSV.dev which advisories affect exactly axios 1.15.1, merges duplicates filed under several ids, and ranks them with CISA’s Known Exploited Vulnerabilities list and FIRST EPSS. Release dates and deprecation come from deps.dev and npm. No AI writes this page: every sentence comes from that data, refreshed every few hours.

Last checked against npm, OSV.dev, deps.dev, CISA KEV and FIRST EPSS.