Vulnerability in Bun

CVE-2026-24910

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).

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-24910: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

  • Bun — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-24910?
CVE-2026-24910 is a medium-severity vulnerability in Bun, classified under CWE-348. CVSS score: 5.9/10. Published 2026-01-27.
How severe is CVE-2026-24910?
Medium severity. CVSS v3 base score is 5.9 out of 10.