What is GHSA-m99x-q38g-c4c6?

GHSA-m99x-q38g-c4c6 is a security advisory published by GitHub Security Advisories with Medium severity. SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows...

Which CVE IDs does GHSA-m99x-q38g-c4c6 cover?

GHSA-m99x-q38g-c4c6 covers the following CVE IDs: CVE-2026-82258. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-m99x-q38g-c4c6Medium

SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows...

Vendor

GitHub Security Advisories

Published

August 28, 2026

Last Modified

August 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-82258 →

📋 Description

SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows concurrent requests from different users to merge under a single request context. Attackers can exploit specific timing conditions to access sensitive data from other users' concurrent requests.

🔗 References (4)

https://github.com/sveltejs/kit/security/advisories/GHSA-hgv7-v322-mmgr
https://nvd.nist.gov/vuln/detail/CVE-2026-82258
https://www.vulncheck.com/advisories/sveltekit-2.38.0-before-2.60.1-cross-user-data-disclosure-via-query-batch
https://github.com/advisories/GHSA-m99x-q38g-c4c6