CVE-2026-41907

Name: CVE-2026-41907
Creator: NVD / NIST
Published: 2026-04-24T19:17:14.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2026-41907 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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). EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

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-provided buffers. This vulnerability is fixed in 14.0.0.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

8.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.34%

25.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Uuidjs	Uuid	< 11.1.1
Uuidjs	Uuid	12.0.0
Uuidjs	Uuid	13.0.0

References

https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pqExploit, Mitigation, Vendor Advisory
https://github.com/uuidjs/uuid/security/advisories/GHSA-w5hq-g745-h8pqExploit, Mitigation, Vendor Advisory

Timeline

Published: Apr 24, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-41907?

How severe is CVE-2026-41907?

CVE-2026-41907 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2026-41907?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-41907?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST