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CVE-2026-42035

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, a prototype pollution gadget exists in the Axios HTTP adapter (lib/adapters/http.js) that allows an attacker to inject arbitrary HTTP headers into outgoing requests. The vulnerability exploits duck-type checking of the data payload, where if Object.prototype is polluted with getHeaders, append, pipe, on, once, and Symbol.toStringTag, Axios misidentifies any plain object payload as a FormData instance an
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:67b594149c5cd9402e8a6a35c1f082735dd8e3b7e18a9fcf94d4691735035af4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-113","description":"CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"axios","vendor":"axios","versions":[{"status":"affected","version":">= 1.0.0, < 1.15.1"},{"status":"affected","version":"< 0.31.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-113","description":"CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/adp/0/references/0
{"name":"https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5d785e6a53e835542692199552660b4da5e3ab314963557a013d3810a74e01c4 · sha256:914bac94fc243063… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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