CVE-2026-41988 PUBLISHED

Assigner: mitre
Reserved: 23.04.2026 Published: 23.04.2026 Updated: 23.04.2026

uuid before 14.0.0 can make unexpected writes when external output buffers are used, and the UUID version is 3, 5, or 6. In particular, UUID version 4, which is very commonly used, is unaffected by this issue.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS Score: 3.2

Attack Vector	Local	Scope	Changed
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	uuidjs
Product	uuid
Versions	Default: unaffected affected from 0 to 14.0.0 (excl.)

References

https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pq
https://github.com/uuidjs/uuid/commit/3d2c5b0342f0fcb52a5ac681c3d47c13e7444b34

Problem Types

CWE-670 Always-Incorrect Control Flow Implementation CWE