← All advisories

High severity7.3NVD Advisory· Published Jan 10, 2022· Updated Jun 17, 2026

CVE-2021-23568

CVE-2021-23568

Description

The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.

AI Insight

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

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
extend2npm	< 1.0.1	1.0.1

Affected products

3

Eggjs/Extend2
cpe:2.3:a:eggjs:extend2:*:*:*:*:*:node.js:*:*
Range: <1.0.1
extend2/extend2description
ghsa-coords
pkg:npm/extend2
Range: < 1.0.1

Patches

Vulnerability mechanics

References

6

github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8nvdPatchThird Party AdvisoryWEB
github.com/eggjs/extend2/pull/2nvdIssue TrackingPatchThird Party AdvisoryWEB
snyk.io/vuln/SNYK-JS-EXTEND2-2320315nvdExploitThird Party AdvisoryWEB
github.com/advisories/GHSA-gjm5-83cw-p3p2ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-23568ghsaADVISORY
github.com/eggjs/extend2/blob/master/index.js%23L50-L60nvdBroken LinkWEB

News mentions

0

No linked articles in our index yet.