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Vulnerability details: VCID-dgkh-jdah-wfh9
Vulnerability ID VCID-dgkh-jdah-wfh9
Aliases CVE-2026-21717
Summary nodejs: v8: Node.js: Denial of Service via V8 string hashing mechanism due to predictable hash collisions
Status Published
Exploitability 0.5
Weighted Severity 5.3
Risk 2.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-328 Use of Weak Hash
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-21717.json
epss 0.00017 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
epss 0.0002 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
epss 0.00026 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
epss 0.00026 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
epss 0.00026 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
epss 0.00026 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
epss 0.00026 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
epss 0.00026 https://api.first.org/data/v1/epss?cve=CVE-2026-21717
cvssv3.1 6.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 5.9 https://nodejs.org/en/blog/vulnerability/march-2026-security-releases
ssvc Track https://nodejs.org/en/blog/vulnerability/march-2026-security-releases
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-21717.json
https://api.first.org/data/v1/epss?cve=CVE-2026-21717
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21717
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2453162 https://bugzilla.redhat.com/show_bug.cgi?id=2453162
march-2026-security-releases https://nodejs.org/en/blog/vulnerability/march-2026-security-releases
RHSA-2026:7350 https://access.redhat.com/errata/RHSA-2026:7350
RHSA-2026:7670 https://access.redhat.com/errata/RHSA-2026:7670
RHSA-2026:7675 https://access.redhat.com/errata/RHSA-2026:7675
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-21717.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nodejs.org/en/blog/vulnerability/march-2026-security-releases
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-30T19:46:02Z/ Found at https://nodejs.org/en/blog/vulnerability/march-2026-security-releases
Exploit Prediction Scoring System (EPSS)
Percentile 0.04143
EPSS Score 0.00017
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:30:12.551126+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-21717.json 38.0.0