CVE-2026-58040: HTTPS Agent TLS session reuse skips hostname verification across identity policies (incomplete fix of CVE-2026-48934)

Published Jul 29, 2026
·
Updated

An incomplete fix for CVE-2026-48934 has been identified in Node.js. HTTPS Agent TLS session reuse can skip hostname verification across identity policies.

Other sources

An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname verification across identity policies (incomplete fix of CVE-2026-48934).

This vulnerability affects Node.js 22.x, 24.x, and 26.x.

— Node.Js

Affected Software

13 affected componentsFixes available
OpenJS Foundation Node.js>=22.0.0<23.0.0
OpenJS Foundation Node.js>=24.0.0<25.0.0
OpenJS Foundation Node.js>=26.0.0<27.0.0
Microsoft azl3 nodejs 24.17.0-1<24.18.1-1
24.18.1-1
Node.js Node.js>=22.0.0<22.23.2, >=24.0.0<24.18.1, >=26.0.0<26.5.1
22.23.224.18.126.5.1
Node.js Node.js>=22.0.0<22.23.2
22.23.2
Node.js Node.js>=24.0.0<24.18.1
24.18.1
Node.js Node.js>=26.0.0<26.5.1
26.5.1
alpine/nodejs<22.23.2-r0
22.23.2-r0
alpine/nodejs<22.23.2-r0
22.23.2-r0
alpine/nodejs<24.18.1-r0
24.18.1-r0
alpine/nodejs<24.18.1-r0
24.18.1-r0
alpine/nodejs-current<26.5.1-r0
26.5.1-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 24.18.1-1
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 22.23.2Fixed in 24.18.1Fixed in 26.5.1
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 22.23.2
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 24.18.1
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.5.1
  6. Upgrade

    Upgrade alpine/nodejs to a version that resolves this vulnerability.

    Fixed in 22.23.2-r0
  7. Upgrade

    Upgrade alpine/nodejs to a version that resolves this vulnerability.

    Fixed in 24.18.1-r0
  8. Upgrade

    Upgrade alpine/nodejs-current to a version that resolves this vulnerability.

    Fixed in 26.5.1-r0

Event History

Jul 29, 2026
CVE Published
via Node.js·12:00 AM
Data Sourced
via Node.js·12:00 AM
DescriptionSeverityAffected Software
Jul 30, 2026
CVE Published
via MITRE·06:02 AM
Data Sourced
via MITRE·06:02 AM
DescriptionSeverity
Data Sourced
via NVD·06:25 AM
DescriptionSeverityWeakness
Data Sourced
via OSV·06:25 AM
DescriptionSeverityAffected Software
Aug 7, 2026
Data Sourced
via Microsoft·08:04 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-58040?

CVE-2026-58040 has a medium severity rating of 6.3.

2

How do I fix CVE-2026-58040?

To fix CVE-2026-58040, upgrade to Node.js versions that are not affected by this vulnerability.

3

Which Node.js versions are impacted by CVE-2026-58040?

CVE-2026-58040 affects Node.js versions 22.x, 24.x, and 26.x.

4

What is the risk level associated with CVE-2026-58040?

CVE-2026-58040 is classified as having a risk level of 37.

5

What type of vulnerability is described in CVE-2026-58040?

CVE-2026-58040 is related to incomplete TLS session reuse and hostname verification issues in HTTPS Agent.

Company

Resources

Contact

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