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CVE-2026-42038

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, he fix for no_proxy hostname normalization bypass is incomplete. When no_proxy=localhost is set, requests to 127.0.0.1 and [::1] still route through the proxy instead of bypassing it. The shouldBypassProxy() function does pure string matching — it does not resolve IP aliases or loopback equivalents. This vulnerability is fixed in 1.15.1 and 0.31.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:84239ba1fec9813095ada50aef17088237c85df0996177dafd0211cf13224e46
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
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:v2:6e99110ead0fb82df14af0848df6f7c77b159523bcd19f0d9b5c975ee61ee0c4 · sha256:d4ad1b1a72668c00… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e99110ead0fb82df14af0848df6f7c77b159523bcd19f0d9b5c975ee61ee0c4 · sha256:d4ad1b1a72668c00… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6e99110ead0fb82df14af0848df6f7c77b159523bcd19f0d9b5c975ee61ee0c4 · sha256:d4ad1b1a72668c00… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/axios/axios/security/advisories/GHSA-m7pr-hjqh-92cm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/axios/axios/security/advisories/GHSA-m7pr-hjqh-92cm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e99110ead0fb82df14af0848df6f7c77b159523bcd19f0d9b5c975ee61ee0c4 · sha256:d4ad1b1a72668c00… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/axios/axios/security/advisories/GHSA-m7pr-hjqh-92cm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e99110ead0fb82df14af0848df6f7c77b159523bcd19f0d9b5c975ee61ee0c4 · sha256:d4ad1b1a72668c00… · /containers/adp/0/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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