What is CVE-2026-41988?

CVE-2026-41988 is a low-severity vulnerability in Uuidjs Uuid, classified under Always-Incorrect Control Flow Implementation. CVSS score: 3.2/10. Published 2026-04-23.

How severe is CVE-2026-41988?

Low severity. CVSS v3 base score is 3.2 out of 10.

Vulnerability in Uuidjs Uuid

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.

Published 2026-04-23 · last modified 2026-07-08.

CVSS v3 metric

CVSS v3 base score 3.2 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.001 · change: -0.001

Affected products

Uuidjs Uuid — versions 12.0.0, 0, 13.0.0

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

References

github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pq (Exploit, Vendor Advisory)
github.com/uuidjs/uuid/commit/3d2c5b0342f0fcb52a5ac681c3d47c13e7444b34 (Patch)

Frequently asked questions

What is CVE-2026-41988?: CVE-2026-41988 is a low-severity vulnerability in Uuidjs Uuid, classified under Always-Incorrect Control Flow Implementation. CVSS score: 3.2/10. Published 2026-04-23.
How severe is CVE-2026-41988?: Low severity. CVSS v3 base score is 3.2 out of 10.