High severity8.8NVD Advisory· Published Jan 29, 2026· Updated Jun 17, 2026
CVE-2026-25047
CVE-2026-25047
Description
deepHas provides a test for the existence of a nested object key and optionally returns that key. A prototype pollution vulnerability exists in version 1.0.7 of the deephas npm package that allows an attacker to modify global object behavior. This issue was fixed in version 1.0.8.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
deephasnpm | < 1.0.8 | 1.0.8 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465nvdPatchWEB
- github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-2733-6c58-pf27ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-25047ghsaADVISORY
News mentions
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