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CVE-2026-48615

A flaw in Node.js proxy tunnel error handling could expose proxy credentials in `ERR_PROXY_TUNNEL` error messages. When proxy credentials…

Medium5.9EPSS 0.40%
Published
Updated
Reserved
Assigned by
hackerone

Description

A flaw in Node.js proxy tunnel error handling could expose proxy credentials in `ERR_PROXY_TUNNEL` error messages. When proxy credentials are embedded in the proxy URL, they may be exposed through error handling paths and captured by logs, diagnostics, or other error consumers. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Scores

CVSS scores of CVE-2026-48615, by who scored it
Scored byCVSSScoreVector
hackeroneCNA (assigner)3.0Medium5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Analyzed3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.40% · top 65% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.

Weakness

Affected products

  • nodejs · node

    • affected 22.22.3 – ≤ 22.22.3
    • affected 24.16.0 – ≤ 24.16.0
    • affected 26.3.0 – ≤ 26.3.0

References (1)

Sources

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

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Record last updated .