CVE-2026-101909

NameCVE-2026-101909
DescriptionAxios is a promise-based HTTP client for the browser and Node.js. From 0.28.0 until 0.34.0 and 1.15.1 until 1.20.0, ToFormData processes inherited serialization options and visitor properties supplied through prototype pollution. A separate same-process prototype-pollution flaw supplies inherited dots, indexes, metaTokens, maxDepth, visitor, or Blob values before object serialization. The inherited options alter toFormData field naming and data interpretation, maxDepth can force request failure, Blob changes value handling, and a polluted visitor can execute when an attacker already has the stronger ability to inject a function. Serialized field naming and data interpretation can change, maxDepth can cause request failure, Blob can alter value handling, and a polluted visitor can execute under the stronger function-injection primitive. This issue is fixed in versions 0.34.0 and 1.20.0.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
node-axios (PTS)bookworm1.2.1+dfsg-1+deb12u1vulnerable
trixie1.8.4+dfsg-1vulnerable
forky, sid1.20.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
node-axiossource(unstable)1.20.0-1

Notes

https://github.com/axios/axios/security/advisories/GHSA-x97p-jq2g-jp4f
https://github.com/axios/axios/pull/11141
Fixed by: https://github.com/axios/axios/commit/d19040bda7a8be2f82c3c6e1a5bc03917daee39a (v1.20.0)
Fixed by: https://github.com/axios/axios/commit/d29be181f85f6fe93397a07b1f69606d9622637b (v0.34.0)

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