CVE-2026-24910 Security feature bypass in Bun
Attackers can spoof the trusted dependencies list in Bun using non-npm packages with matching names, bypassing security checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-24910?
CVE-2026-24910 is a medium-severity vulnerability in Bun, published on 27 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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).
Weakness: CWE-348
Which versions are affected by CVE-2026-24910?
How do I fix CVE-2026-24910?
No fix has been published for CVE-2026-24910 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-24910 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24910 exists.
Sources
Also known as GHSA-xp39-vp6q-phvj.