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CLEANSTART-2026-XJ20290 undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON

🗓️ 08 Oct 2026 00:44:52Reported by GoogleType 
osv-cleanstart
 osv-cleanstart🔗 osv.dev👁 7 Views

JSON serialization in undici's BalancedPool constructor enables potential logic errors.

Related
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM Db2 Developer Extension is affected by vulnerability in undici (CVE-2026-18149, CVE-2026-18540, CVE-2026-19534, CVE-2026-84890, CVE-2026-84933, CVE-2026-84947, CVE-2026-84961, CVE-2026-85008, CVE-2026-85014, CVE-2026-85024)
15 Oct 202620:17
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Platform Navigator in IBM Integration is vulnerable to multiple vulnerabilities in undici
14 Oct 202615:07
–ibm
nessus
Tenable Nessus		Amazon Linux 2023 : nodejs24, nodejs24-devel, nodejs24-full-i18n (ALAS2023-2026-3107)
29 Sep 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 10 : nodejs24 (ALSA-2026:73428)
30 Sep 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : nodejs:24 (ALSA-2026:73838)
15 Oct 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : nodejs:24 (ALSA-2026:74085)
14 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 10.2 [CIQ] Security Update: nodejs24 / nodejs24-debuginfo / nodejs24-debugsource / etc Multiple Vulnerabilities (crlsa-2026_73428)
2 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: nodejs / nodejs-debuginfo / nodejs-debugsource / nodejs-devel / etc Multiple Vulnerabilities (crlsa-2026_74085)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9 [CIQ] Security Update: nodejs / nodejs-debuginfo / nodejs-debugsource / nodejs-devel / etc Multiple Vulnerabilities (crlsa-2026_73838)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		MiracleLinux 8 : nodejs:24 (AXSA:2026-1972:01)
6 Oct 202600:00
–nessus
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08 Oct 2026 16:47Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.4
EPSS0.00146
undiciBalancedPoolJSON serializationlogic errors
7