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CVE-2026-24910

Good to know:

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Date: January 27, 2026

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).

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-24910
https://bun.com/blog/bun-v1.3.5
https://www.scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack
https://www.koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act
https://www.mend.io/vulnerability-database/CVE-2026-24910

Severity Score

Weakness Type (CWE)

Use of Less Trusted Source

CWE-348

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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