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CVE-2026-42264

Axios vulnerability

7.4 HIGHPublic exploitEPSS 0.97%
  1. Published8 May 2026

Description

Axios is a promise based HTTP client for the browser and Node.js. From version 1.0.0 to before version 1.15.2, fFive config properties (auth, baseURL, socketPath, beforeRedirect, and insecureHTTPParser) in the HTTP adapter are read via direct property access without hasOwnProperty guards, making them exploitable as prototype pollution gadgets. When Object.prototype is polluted by another dependency in the same process, axios silently picks up these polluted values on every outbound HTTP request. This issue has been patched in version 1.15.2.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Axios≥ 1.0.0 < 1.15.2

Remediation

Fixed in
Axios≥ 1.15.2

References

and 12 more references

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Frequently asked

Is CVE-2026-42264 being actively exploited?

CVE-2026-42264 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.97%.

How severe is CVE-2026-42264?

CVE-2026-42264 has a CVSS 3.1 base score of 7.4, rated high. EPSS estimates a 0.97% probability of exploitation.

Which products are affected by CVE-2026-42264?

Affected products include Axios.

How do I fix CVE-2026-42264?

Upgrade affected software to a fixed version, for example Axios 1.15.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-42264 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.