| Name | CVE-2026-73086 |
| Description | 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, allowing a value of 2147483648 to become -2147483648 and corrupt the process-wide CSPRNG poolOffset in fillPool(), which causes subsequent session tokens, CSRF tokens, API keys, and unique identifiers to become the deterministic string "uuuuuuuuuuuuuuuuuuuuu" until the process restarts. This issue is fixed in versions 3.3.12 and 5.1.11. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| node-mocha (PTS) | bookworm | 10.1.0+ds1+~cs29.3.1-1 | fixed |
| trixie | 10.7.2+ds1+~cs33.1.11-2 | fixed | |
| forky, sid | 11.8.0+ds1+~cs36.4.12-3 | fixed | |
| node-postcss (PTS) | bookworm | 8.4.20+~cs8.0.23-1+deb12u1 | vulnerable |
| trixie | 8.4.49+~cs9.2.32-1 | vulnerable | |
| forky, sid | 8.5.26+~cs10.2.24-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| node-mocha | source | (unstable) | 9.1.4+ds1+~cs28.2.8-1 | |||
| node-postcss | source | (unstable) | 8.5.14+~cs9.3.34-1 |
[trixie] - node-postcss <no-dsa> (Minor issue)
node-postcss bundles nanoid
node-mocha/9.1.4+ds1+~cs28.2.8-1 removes the node-nanoid copy
https://github.com/ai/nanoid/security/advisories/GHSA-xwg4-73v4-xw9w
Fixed by: https://github.com/ai/nanoid/commit/7087969281cab8ba8ae3babf1894e819068b3bb4 (5.1.11)
Fixed by: https://github.com/ai/nanoid/commit/821dfed7b5db7f88e92f56c60eef32c8135077c3 (3.3.12)
Fixed by: https://github.com/ai/nanoid/commit/b0036ed60dc9facd7f1191a50dfb3076500202ac (3.3.12)