High severity7.8NVD Advisory· Published Apr 5, 2021· Updated Jun 17, 2026

CVE-2021-29261

Description

The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Sveltejs/Svelte
cpe:2.3:a:svelte:svelte:*:*:*:*:*:visual_studio_code:*:*
Range: <104.8.0
Sveltejs/language-toolsllm-create
Range: <104.8.0
Sveltejs/Svelte VSCode Extensionllm-fuzzy
Range: <104.8.0

Patches

Vulnerability mechanics

References

github.com/sveltejs/language-tools/commit/5d7bf1fd98bfe2cd2080863a3c95ce099b898075nvdPatchThird Party Advisory
github.com/sveltejs/language-tools/releasesnvdThird Party Advisory
github.com/sveltejs/language-tools/releases/tag/extensions-104.8.0nvdRelease NotesThird Party Advisory
marketplace.visualstudio.com/itemsnvdProductThird Party Advisory
vuln.ryotak.me/advisories/3nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000