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Vulnerabilities

Vulnerability · 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.

Published Apr 23, 2026 · catalog updated Jul 8, 2026 · uuid before 14.0.0 can

Check if you run it

No confirmed exploitation is on record for CVE-2026-41988. EPSS is 0.13%. Act only if a listed version of uuid before 14.0.0 can is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (uuid before 14.0.0 can).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Advisory link
Affected products
cpe uuidjs/uuid

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe uuidjs/uuid12.0.0
  • cpe uuidjs/uuid13.0.0

How to fix CVE-2026-41988

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-41988. EPSS is 0.13%. Act only if a listed version of uuid before 14.0.0 can is installed.

Which versions are affected?

Compare what you have installed with 12.0.0, 13.0.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-670: Always-Incorrect Control Flow Implementation. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 23, 2026 · NIST NVD

    Detected

    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.

  2. Jul 8, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-41988

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-41988

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.