CVE catalog
CVE-2026-32141
flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse() function uses a recursive revive() phase to resolve circular references in deserialized JSON. When given a crafted payload with dee
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.82% · Oct 25, 2026
flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse() function uses a recursive revive() phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow that crashes the Node.js process. This vulnerability is fixed in 3.4.0.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | node-flatted | sid | 3.4.4~ds-1 | fixed |
| Debian | node-flatted | forky | 3.4.4~ds-1 | fixed |
| Debian | node-flatted | trixie | 3.2.7~ds-1+deb13u1 | vulnerable |
| Debian | node-flatted | bookworm | 3.2.7~ds-1+deb12u1 | vulnerable |
| Npm | flatted | Not reported | 3.4.0 | fixed |
| Cpe | node-flatted | Not reported | Not reported | vulnerable |
| Npm | flatted | Not reported | 3.4.0 | fixed |
| Cpe | flatted | Not reported | 3.4.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | node-flatted | source | sid | 3.4.1~ds-1 | not yet assigned | Not reported | Not reported |
| Debian | node-flatted | source | forky | 3.4.1~ds-1 | not yet assigned | Not reported | Not reported |
| Debian | node-flatted | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | node-flatted | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Npm | flatted | npm | Not reported | 3.4.0 | Not reported | GHSA-25H7-PFQ9-P65F | Not reported |
| Npm | flatted | npm | Not reported | 3.4.0 | Not reported | Not reported | Not reported |
| Cpe | flatted | cpe | Not reported | 3.4.0 | Not reported | NVD-CVE-2026-32141 | Not reported |
Notes
[trixie] node-flatted: Minor issue [bookworm] node-flatted: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libjs-flatted]Affected
Source package: [node-flatted]
Details (2)
3.2.7~ds-1+deb12u1· all · bookwormAffected
nvd · node-flatted · debian · bookworm; nvd · node-flatted · debian · 12
3.2.7~ds-1+deb12u1· all · bookwormAffected
nvd · node-flatted · debian · bookworm; nvd · node-flatted · debian · 12
- [node-flatted]Affected
Details (2)
3.2.7~ds-1+deb12u1· all · bookwormAffected
nvd · node-flatted · debian · bookworm; nvd · node-flatted · debian · 12
3.2.7~ds-1+deb12u1· all · bookwormAffected
nvd · node-flatted · debian · bookworm; nvd · node-flatted · debian · 12
[Debian 13 (Trixie)]
- [libjs-flatted]Affected
Source package: [node-flatted]
Details (2)
3.2.7~ds-1+deb13u1· all · trixieAffected
nvd · node-flatted · debian · 13
3.2.7~ds-1+deb13u1· all · trixieAffected
nvd · node-flatted · debian · 13
- [node-flatted]Affected
Details (2)
3.2.7~ds-1+deb13u1· all · trixieAffected
nvd · node-flatted · debian · 13
3.2.7~ds-1+deb13u1· all · trixieAffected
nvd · node-flatted · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-32141]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-32141]
- [https://osv.dev/vulnerability/GHSA-25h7-pfq9-p65f]
- [https://security-tracker.debian.org/tracker/CVE-2026-32141]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32141.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1220.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [GitHub Advisory Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]