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Node.js CVE-2026-48615

| EUVDEUVD-2026-39606 HIGH
Exposure of Private Personal Information to an Unauthorized Actor (CWE-359)
2026-06-18 GHSA-qqjm-7pv6-7q82
Information Disclosure Red Hat Suse Node Js
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
3.7 LOW

AC:H because exploitation needs a triggered tunnel error plus attacker visibility into the error/log; C:L as only proxy credentials leak, with no integrity or availability impact.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
HIGH
qualitative
Red Hat
5.9 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

9
Analysis Updated
Jun 26, 2026 - 20:35 vuln.today
v3 (cvss_changed)
Analysis Updated
Jun 26, 2026 - 20:34 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Jun 26, 2026 - 20:22 vuln.today
cvss_changed
Severity Changed
Jun 26, 2026 - 20:22 NVD
MEDIUM HIGH
CVSS changed
Jun 26, 2026 - 20:22 NVD
5.9 (MEDIUM) 7.5 (HIGH)
Source Code Evidence Fetched
Jun 26, 2026 - 02:24 vuln.today
Analysis Generated
Jun 26, 2026 - 02:24 vuln.today
CVSS changed
Jun 26, 2026 - 02:22 NVD
5.9 (MEDIUM)
CVE Published
Jun 18, 2026 - 04:37 github-releases
UNKNOWN (no severity yet)

Description PRE-NVD

Disclosed via GitHub release of nodejs/node. NVD scoring and full description are pending.

AnalysisAI

Sensitive information disclosure in Node.js (versions 26.3.0, 24.16.0, and 22.22.3) leaks embedded proxy credentials when a CONNECT tunnel connection fails, because the full proxy URL - including username and password - is included verbatim in the resulting tunnel error message rather than being redacted. Anyone able to read those error strings (application logs, error responses, monitoring/telemetry pipelines) can recover the proxy authentication secret. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify Node app using authenticated proxy
Delivery
Induce or await tunnel connection failure
Exploit
Proxy URL with credentials embedded in error
Execution
Read error from logs or response
Impact
Harvest and reuse proxy credentials
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the Node.js application uses proxy tunneling (HTTP CONNECT) with credentials embedded in the proxy URL, AND that a tunnel connection error occurs, AND that the attacker can read the resulting error message - via application logs, monitoring/telemetry export, or an error returned to the client. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals are mixed and point to a real-but-modest priority. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An application routes outbound traffic through an authenticated proxy configured as http://svc:S3cret@proxy:8080. An attacker who can cause the tunnel to fail (e.g. …
Remediation Primary fix: upgrade to Node.js 26.3.1 or later (Vendor-released patch: Node.js 26.3.1), and on the LTS lines move to the corresponding patched 24.x and 22.x builds from the June 2026 security release - see https://github.com/nodejs/node/releases/tag/v26.3.1 and https://nodejs.org/en/blog/vulnerability/june-2026-security-releases. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all Node.js instances running affected versions (26.3.0, 24.16.0, 22.22.3). …

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Web and Scripting 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 Fixed
SUSE Linux Enterprise Server 15 SP6-LTSS Fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP6 Fixed
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Module for Web and Scripting 15 SP7 Affected

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CVE-2026-48615 vulnerability details – vuln.today
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