CVE-2026-41988

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.

CVSS 3.1

2.5CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-26)

CWE

CWE-670

Published

2026-04-23

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• uuidjs:uuid

Packages (OSV)

References

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

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