TI-2026-20095 Aliases CVE-2026-24910 GHSA-xp39-vp6q-phvj

In Bun before 1.3.5, the default trusted dependencies list (aka trust allow list) can be…

MEDIUM 60CWE-348Published 2026-01-27 · Updated 2026-01-28

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00121 1st percentileScored 2026-11-07

Fix Fixed Bun (Bun): 1.3.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Bun	Bun	before 1.3.5	1.3.5	Patch available	CNA

Bun VendorBun Affected before 1.3.5 Fixed in 1.3.5 Patch available CNA

Remediation

Fix · CNA Bun (Bun) Fixed in 1.3.5

Timeline

2026-10-02 Threatist record created from CVE-2026-24910
2026-10-03 Alias added: GHSA-xp39-vp6q-phvj

References

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences