SCA: security update for @sveltejs/adapter-vercel (GHSA-9pq4-5hcf-288c)

medium Tenable Cloud Security Plugin ID 437865

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. Existing deployments are
protected by Vercel's WAF, but users should upgrade as soon as possible. This vulnerability is fixed in
6.3.2. (CVE-2026-27118)

See Also

https://github.com/advisories/GHSA-9pq4-5hcf-288c

Plugin Details

Severity: Medium

ID: 437865

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 2/19/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS Score Source: CVE-2026-27118

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 1.3

Threat Vector: CVSS:4.0/E:U

Vector: 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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/19/2026

Vulnerability Publication Date: 2/19/2026

Reference Information

CVE: CVE-2026-27118

cwe: CWE-346