CVE Explorer

CVE-2026-54737

@phun-ky/defaults-deep is a library like lodash defaultsDeep with array preservation and no lodash dependency. Prior to 2.0.5, defaultsDeep() recursively merges user-supplied objects without filtering proto, constructor, and prototype, allowing properties to be written to Object.prototype. This issue is fixed in version 2.0.5.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6b6aef96a3bbb9a37f8da432d766245f0f9206ac9239d3bbe714fce0fbb2445d

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"defaults-deep","vendor":"phun-ky","versions":[{"status":"affected","version":"< 2.0.5"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:e82491023703d88fa6b32e39db442323f05c17841b2e7334c0825e80e14e090f · sha256:01e1fd5208774572… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:e82491023703d88fa6b32e39db442323f05c17841b2e7334c0825e80e14e090f · sha256:01e1fd5208774572… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:e82491023703d88fa6b32e39db442323f05c17841b2e7334c0825e80e14e090f · sha256:01e1fd5208774572… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions

{"name":"https://github.com/phun-ky/defaults-deep/commit/807dba930f8718f9126cad59d949b8fd3539b059","tags":["x_refsource_MISC"],"url":"https://github.com/phun-ky/defaults-deep/commit/807dba930f8718f9126cad59d949b8fd3539b059"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:e82491023703d88fa6b32e39db442323f05c17841b2e7334c0825e80e14e090f · sha256:01e1fd5208774572… · /containers/cna/references/2

{"name":"https://github.com/phun-ky/defaults-deep/pull/49","tags":["x_refsource_MISC"],"url":"https://github.com/phun-ky/defaults-deep/pull/49"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:e82491023703d88fa6b32e39db442323f05c17841b2e7334c0825e80e14e090f · sha256:01e1fd5208774572… · /containers/cna/references/1

{"name":"https://github.com/phun-ky/defaults-deep/releases/tag/2.0.5","tags":["x_refsource_MISC"],"url":"https://github.com/phun-ky/defaults-deep/releases/tag/2.0.5"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:e82491023703d88fa6b32e39db442323f05c17841b2e7334c0825e80e14e090f · sha256:01e1fd5208774572… · /containers/cna/references/3

{"name":"https://github.com/phun-ky/defaults-deep/security/advisories/GHSA-mj3g-7xcc-x4vh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/phun-ky/defaults-deep/security/advisories/GHSA-mj3g-7xcc-x4vh"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:e82491023703d88fa6b32e39db442323f05c17841b2e7334c0825e80e14e090f · sha256:01e1fd5208774572… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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