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CVE-2026-40175

Axios has Unrestricted Cloud Metadata Exfiltration via Header Injection Chain

Medium4.8EPSS 1.9%
Published
Updated
Reserved
Assigned by
GitHub_M

Description

Axios is a promise based HTTP client for the browser and Node.js. Versions prior to 1.15.0 and 0.3.1 are vulnerable to a specific gadget-style attack chain in which prototype pollution in a third-party dependency may be leveraged to inject unsanitized header values into outbound requests. This vulnerability is fixed in 1.15.0 and 0.3.1.

Scores

CVSS scores of CVE-2026-40175, by who scored it
Scored byCVSSScoreVector
GitHub_MCNA (assigner)3.1Medium4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
redhat-SADPADP (enrichment)3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1Medium4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS (exploitation in 30 days)
1.9% · top 20% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: no · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.

Weakness

Affected products

  • axios · axios

    • affected >= 1.0.0, < 1.15.0
    • affected < 0.31.0

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (54)

Sources

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

Badge for a README or a ticket

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Record last updated .