What is CVE-2026-41907?

CVE-2026-41907 is a high-severity vulnerability in Uuidjs Uuid, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-04-24.

How severe is CVE-2026-41907?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Uuidjs Uuid

CVE-2026-41907

uuid is for the creation of RFC9562 (formerly RFC4122) UUIDs. Prior to 14.0.0, v3, v5, and v6 accept external output buffers but do not reject out-of-range writes (small buf or large offset). This allows silent partial writes into caller-p…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Uuidjs Uuid — versions < 14.0.0, 12.0.0, 13.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write
CWE-823

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41907?: CVE-2026-41907 is a high-severity vulnerability in Uuidjs Uuid, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-04-24.
How severe is CVE-2026-41907?: High severity. CVSS v3 base score is 7.5 out of 10.