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CVE-2026-123568: sveltejs devalue: Sveltejs devalue before 5.6.3 contains a prototype pollution vulnerability that allows attackers to alter object…

🗓️ 08 Nov 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 3 Views

Prototype pollution in Sveltejs devalue via uneval allows altering object prototypes.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-123568
8 Nov 202602:33
–circl
cve
CVE
CVE-2026-123568
8 Nov 202601:38
–cve
cvelist
Cvelist
CVE-2026-123568 Sveltejs devalue before 5.6.3 Prototype Pollution via uneval Output
8 Nov 202601:38
–cvelist
euvd
EUVD
EUVD-2026-119453
8 Nov 202601:38
–euvd
nvd
NVD
CVE-2026-123568
8 Nov 202602:16
–nvd
ptsecurity
Positive Technologies
PT-2026-139849
8 Nov 202600:00
–ptsecurity

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08 Nov 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 42.1
CVSS 3.14.4
3