CVE-2026-101907 Axios: maxRedirects: 0 is not enforced by the fetch adapter, allowing redirect-based SSRF
Attackers can bypass redirect restrictions in Axios fetch adapter to access internal endpoints, requiring maxRedirects: 0 configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-101907?
CVE-2026-101907 is a high-severity server-side request forgery vulnerability in axios, published on 28 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Axios is a promise-based HTTP client for the browser and Node.js. From 1.17.0 until 1.20.0, the fetch adapter bypasses the maxRedirects: 0 redirect policy. An Axios request uses the fetch adapter with maxRedirects set to zero and receives a redirect response. The underlying fetch implementation follows the redirect instead of returning the redirect response unchanged. The redirected request can access internal responses or reach state-changing internal endpoints despite redirects being disabled. This issue is fixed in version 1.20.0.
Which versions are affected by CVE-2026-101907?
2 open source packages ship an affected version, including axios.
| Package | Affected | Fixed in |
|---|---|---|
axios npm | From 1.17.0 | 1.20.0 |
axios npm | From 1.17.0 | 1.20.0 |
How do I fix CVE-2026-101907?
Upgrade axios to 1.20.0 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-101907 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-101907 exists.
Sources
Also known as CLEANSTART-2026-DH24226, CLEANSTART-2026-DN65952, CLEANSTART-2026-OJ15594, DEBIAN-CVE-2026-101907, ECHO-442d-68ae-5492, GHSA-r4gj-5m52-g5wh and 11 more.