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CVE-2026-48931

A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a178544db39b309291558906017b55b9c53a47278bf79a5754366a4e3dc91755
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"node","vendor":"nodejs","versions":[{"lessThanOrEqual":"22.22.3","status":"affected","version":"22.22.3","versionType":"semver"},{"lessThanOrEqual":"24.16.0","status":"affected","version":"24.16.0","versionType":"semver"},{"lessThanOrEqual":"26.3.0","status":"affected","version":"26.3.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:76e5d0ef91d872b22cbf6acf92f95f026ec0a731975d07e1a9ae7f6afab66491 · sha256:2d619cb6b9a9e9d1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76e5d0ef91d872b22cbf6acf92f95f026ec0a731975d07e1a9ae7f6afab66491 · sha256:2d619cb6b9a9e9d1… · /containers/cna/metrics/0/cvssV3_0

CWE assertions

1 source assertion
{"cweId":"CWE-367","description":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:76e5d0ef91d872b22cbf6acf92f95f026ec0a731975d07e1a9ae7f6afab66491 · sha256:2d619cb6b9a9e9d1… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/07/02/2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e5d0ef91d872b22cbf6acf92f95f026ec0a731975d07e1a9ae7f6afab66491 · sha256:2d619cb6b9a9e9d1… · /containers/adp/0/references/2
{"url":"https://github.com/nodejs/node/issues/63989"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e5d0ef91d872b22cbf6acf92f95f026ec0a731975d07e1a9ae7f6afab66491 · sha256:2d619cb6b9a9e9d1… · /containers/adp/0/references/1
{"url":"https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e5d0ef91d872b22cbf6acf92f95f026ec0a731975d07e1a9ae7f6afab66491 · sha256:2d619cb6b9a9e9d1… · /containers/adp/0/references/0
{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76e5d0ef91d872b22cbf6acf92f95f026ec0a731975d07e1a9ae7f6afab66491 · sha256:2d619cb6b9a9e9d1… · /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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