CVE Explorer
CVE-2026-27118
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Versions of @sveltejs/adapter-vercel prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users. Successful exploitation requires a victim to visit an attacker-controlled link while authenticated. Exi
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"kit","vendor":"sveltejs","versions":[{"status":"affected","version":"< 6.3.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:4744aadc63715256f1d634d061c1e5f4aa9547ea5ba74bf29bf25654b26a679c · sha256:012d3626de164ad6… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:4744aadc63715256f1d634d061c1e5f4aa9547ea5ba74bf29bf25654b26a679c · sha256:012d3626de164ad6… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:4744aadc63715256f1d634d061c1e5f4aa9547ea5ba74bf29bf25654b26a679c · sha256:012d3626de164ad6… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/sveltejs/kit/security/advisories/GHSA-9pq4-5hcf-288c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sveltejs/kit/security/advisories/GHSA-9pq4-5hcf-288c"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:4744aadc63715256f1d634d061c1e5f4aa9547ea5ba74bf29bf25654b26a679c · sha256:012d3626de164ad6… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.