GHSA-vmg4-6gfg-83qx
ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS
At a glance
- Published
- Updated
- CVE
- CVE-2026-71553
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Description
The vulnerability is a single-request persistent DoS by submitting e.g. "PATCH /api/v1/article/<id>" with a valid editor session and body of {"toString.call":"x"}, overwriting the global toString function with value x. Fabian
Affected packages
| Package | Versions |
|---|---|
| npm · apostrophe | introduced 0, fixed 4.32.1 |
References
- https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-vmg4-6gfg-83qx WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-71553 ADVISORY
- https://github.com/apostrophecms/apostrophe/commit/5a3746aaed49761e171c2cbfe793267c959829fd WEB
- https://github.com/apostrophecms/apostrophe PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |