CVE-2026-44496

Description

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who can influence the cookie name passed to axios can cause expensive regex backtracking while axios reads document.cookie. The practical impact is client-side availability degradation, such as freezing the affected browser tab while axios prepares a request. The issue does not affect ordinary Node.js HTTP adapter usage, React Native, or web workers, where axios does not read document.cookie. This vulnerability is fixed in 0.32.0 and 1.16.0.

CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0065

Probability of exploitation

0.46%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-1333 CWE-1333

Affected Products

Vendor	Product	Versions
axios	axios	< 0.32.0
axios	axios	1.0.0 — 1.16.0

References

Advisories & Patches

https://github.com/axios/axios/security/advisories/GHSA-hfxv-24rg-xrqf https://github.com/axios/axios/security/advisories/GHSA-hfxv-24rg-xrqf

Exploits

https://github.com/axios/axios/security/advisories/GHSA-hfxv-24rg-xrqf https://github.com/axios/axios/security/advisories/GHSA-hfxv-24rg-xrqf

Frequently Asked Questions

What is CVE-2026-44496? +

Axios is a promise based HTTP client for the browser and Node.js. Axios versions before 0.32.0 on the 0.x line and before 1.16.0 on the 1.x line build a regular expression from the configured XSRF cookie name without escaping regex metacharacters. In standard browser environments, an attacker who can influence the cookie name passed to axios can cause expensive regex backtracking while axios reads document.cookie. The practical impact is client-side availability degradation, such as freezing the affected browser tab while axios prepares a request. The issue does not affect ordinary Node.js HTTP adapter usage, React Native, or web workers, where axios does not read document.cookie. This vulnerability is fixed in 0.32.0 and 1.16.0. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-44496? +

CVE-2026-44496 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0065, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-44496? +

CVE-2026-44496 affects products from axios, specifically: axios. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-44496? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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