PT-2026-5032 · Bun · Bun

Orenyomtov · Published 2026-01-27 · Updated 2026-01-28 · CVE-2026-24910

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Bun versions prior to 1.3.5

Description The default trusted dependencies list in Bun can be manipulated by a non-npm package if the package name matches an existing trusted dependency. This affects dependencies installed via file, link, or git/github sources.

Recommendations Update to version 1.3.5 or later.

Fix

Weakness Enumeration

CWE-348

Related Identifiers

CVE-2026-24910

Affected Products

Bun

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-24910 · Security Note
• https://bun.com/blog/bun-v1.3.5 · Note
• https://koi.ai/blog/packagegate-6-zero-days-in-js-package-managers-but-npm-wont-act · Note
• https://twitter.com/CVEnew/status/2016284653020176578 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2016348411755147702 · Twitter Post
• https://t.me/cveNotify/150053 · Telegram Post
• https://scworld.com/news/six-javascript-zero-day-bugs-lead-to-fears-of-supply-chain-attack · Note