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Vulnerability Details :

CVE-2026-24910

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-27 Jan, 2026 | 22:26

Updated At-28 Jan, 2026 | 21:19

In Bun before 1.3.5, the default trusted dependencies list (aka trust allow list) can be spoofed by a non-npm package in the case of a matching name (for file, link, git, or github).

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:mitre

Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At:27 Jan, 2026 | 22:26

Updated At:28 Jan, 2026 | 21:19

▼CVE Numbering Authority (CNA)

In Bun before 1.3.5, the default trusted dependencies list (aka trust allow list) can be spoofed by a non-npm package in the case of a matching name (for file, link, git, or github).

Affected Products

Vendor

Bun

Product

Bun

Default Status

unaffected

Versions

Affected

From 0 before 1.3.5 (semver)

Problem Types

Type	CWE ID	Description
CWE	CWE-348	CWE-348 Use of Less Trusted Source

Type: CWE

CWE ID: CWE-348

Description: CWE-348 Use of Less Trusted Source

Metrics

Version	Base score	Base severity	Vector
3.1	5.9	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

Version: 3.1

Base score: 5.9

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

References

Hyperlink	Resource
https://www.scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack	N/A
https://bun.com/blog/bun-v1.3.5	N/A
https://www.koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act	N/A

Hyperlink: https://www.scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack

Resource: N/A

Hyperlink: https://bun.com/blog/bun-v1.3.5

Resource: N/A

Hyperlink: https://www.koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:cve@mitre.org

Published At:27 Jan, 2026 | 23:15

Updated At:29 Jan, 2026 | 16:31

In Bun before 1.3.5, the default trusted dependencies list (aka trust allow list) can be spoofed by a non-npm package in the case of a matching name (for file, link, git, or github).

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	5.9	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

Type: Secondary

Version: 3.1

Base score: 5.9

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

Weaknesses

CWE ID	Type	Source
CWE-348	Primary	cve@mitre.org

CWE ID: CWE-348

Type: Primary

Source: cve@mitre.org

References

Hyperlink	Source	Resource
https://bun.com/blog/bun-v1.3.5	cve@mitre.org	N/A
https://www.koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act	cve@mitre.org	N/A
https://www.scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack	cve@mitre.org	N/A

Hyperlink: https://bun.com/blog/bun-v1.3.5

Source: cve@mitre.org

Resource: N/A

Hyperlink: https://www.koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act

Source: cve@mitre.org

Resource: N/A

Hyperlink: https://www.scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack

Source: cve@mitre.org

Resource: N/A

CVE-2026-24910

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Solution/Workaround

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EPSS History

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N/A

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N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

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Replaced By

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