CVE-2026-123567
1 advisory.
npm/devalue CVE-2026-123567: low, EPSS 0.24%
Sveltejs devalue's `devalue.parse` and `devalue.unflatten` emit objects with `__proto__` own properties
Action: Upgrade devalue to 5.6.4 or later.
npm i devalue@5.6.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.0.0 | 5.6.4 | - |
Fixed versions
| 5.6.4 |
Sources
- osv: GHSA-mwv9-gp5h-frr4
- https://github.com/sveltejs/devalue/security/advisories/GHSA-mwv9-gp5h-frr4
- https://github.com/sveltejs/devalue/commit/87c1f3ce3759765a061cfe34843ecc4b0711ba8d
- https://github.com/sveltejs/devalue
- https://github.com/sveltejs/devalue/releases/tag/v5.6.4
CVE-2026-123567 · published · modified · JSON