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CVE-2026-44486

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

High7.5EPSS 0.55%
Published
Updated
Reserved
Assigned by
GitHub_M

Description

Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios’ Node.js HTTP adapter can leak proxy credentials to a redirect target in affected versions. When a request is sent through an authenticated proxy, Axios may add a Proxy-Authorization header. If Axios then follows a redirect and the redirected request is no longer sent through that proxy, the stale Proxy-Authorization header can remain on the redirected request and be sent to the redirect target. This affects Node.js's use of Axios with automatic redirects enabled and an authenticated proxy configuration. Browser adapters are not affected. This vulnerability is fixed in 0.32.0 and 1.16.0.

Scores

CVSS scores of CVE-2026-44486, by who scored it
Scored byCVSSScoreVector
GitHub_MCNA (assigner)3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
redhat-SADPADP (enrichment)3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.55% · top 54% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: yes · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • axios · axios

    • affected >= 1.0.0, < 1.16.0
    • affected < 0.32.0

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (48)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .