Integer overflow in Ai Nanoid
CVE-2026-73086
nanoid is a secure, URL-friendly, unique string ID generator for JavaScript. Prior to versions 3.3.12 and 5.1.11, the nanoid(size) function in index.js and index.cjs coerces the user-influenced size parameter to a signed 32-bit integer, al…
Vulnerability class: Integer Overflow
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Ai Nanoid — versions < 3.3.12, >= 4.0.0, < 5.1.11
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-73086?
- CVE-2026-73086 is a high-severity vulnerability in Ai Nanoid, classified under Integer Overflow or Wraparound. CVSS score: 7.4/10. Published 2026-08-11.
- How severe is CVE-2026-73086?
- High severity. CVSS v3 base score is 7.4 out of 10.