CVE-2026-58040 (GCVE-0-2026-58040)

Vulnerability from cvelistv5 – Published: 2026-07-30 06:02 – Updated: 2026-07-30 12:50
VLAI
Summary
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**.
Severity
6.3 (Medium)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 12:47 UTC
CWE
  • CWE-297 - Improper Validation of Certificate with Host Mismatch
Assigner
References
Impacted products
Vendor Product Version CPE status
nodejs node Affected: 22.23.1 , ≤ 22.23.1 (semver)
Affected: 24.18.0 , ≤ 24.18.0 (semver)
Affected: 26.5.0 , ≤ 26.5.0 (semver)
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.