CVE-2026-24910

5.9 mediumEPSS 0.1%

Medium (5.9). EPSS 0.1% chance of exploitation in the next 30 days.

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

CVSS 3.1

5.9 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
CWE: CWE-348
Published: 2026-01-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

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