HashDos in Node.js

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2026-008 CVE-2026-21717 03/24/2026 low v1

Vulnerability details

An attacker can use a specially crafted request to degrade the performance of the Node process

Impacted products

ProductsSeverityDetail
Stormshield Management Center low SMC is impacted

Revisions

 

Version Date Description
v1 Initial release


Stormshield Management Center

CVSS v3.1 Overall Score: 3.4      

Analysis

Impacted version

A flaw in Node.js V8’s string hashing mechanism can degrade performance of SMC when handling specially crafted requests.
  • SMC < 3.9.1

Workaround solution

Solution

There is no workaround solution.

The SMC 3.9.1 update will fix this vulnerability.



Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Adjacent Network Low Low None Unchanged None None High
CVSS Base score: 5.7 CVSS Vector: (AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Exploit Code Maturity Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 5 CVSS Vector: (AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Confidentiality Requirement (CR) Integrity Requirement (IR) Availability Requirement (AR)
Low Low Low
CVSS Environmental score: 3.4 CVSS Vector: (AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C/CR:L/IR:L/AR:L/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X)