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CVE-2026-27118: Origin Validation Error

🗓️ 20 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 6 Views

Authenticated cache poisoning in @sveltejs/adapter-vercel < 6.3.2 via ISR query parameters.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27118
20 Feb 202621:24
–attackerkb
cnnvd
CNNVD
SvelteKit Access Control Vulnerability
20 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-27118
20 Feb 202621:24
–cve
cvelist
Cvelist
CVE-2026-27118 Cache poisoning in @sveltejs/adapter-vercel
20 Feb 202621:24
–cvelist
github
Github Security Blog
Cache poisoning in @sveltejs/adapter-vercel
19 Feb 202615:18
–github
mend
Mend
CVE-2026-27118
20 Feb 202621:24
–mend
nvd
NVD
CVE-2026-27118
20 Feb 202622:16
–nvd
osv_ghsa
osv_ghsa
GHSA-9PQ4-5HCF-288C Cache poisoning in @sveltejs/adapter-vercel
19 Feb 202615:18
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-20880
19 Feb 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-27118
22 Feb 202601:28
–redhatcve
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15 Apr 2026 00:00Current
8High risk
Vulners AI Score8
CVSS 45.3
EPSS0.00249
SSVC
6