{"cve":"CVE-2021-43786","nvd":{"published":"2021-11-29T20:15:08.133","modified":"2026-06-17T04:11:26.233","status":"Modified","description":"Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-287"],"references":["https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/","https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500","https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5","https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqw","https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/"],"products":["nodebb:nodebb"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-43786","score":0.02369,"percentile":0.83828,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-hf2m-j98r-4fqw","url":"https://osv.dev/vulnerability/GHSA-hf2m-j98r-4fqw","summary":"API token verification can be bypassed in NodeBB ","modified":"2026-07-08T06:28:56.284662247Z","packages":[{"ecosystem":"npm","name":"nodebb","purl":"pkg:npm/nodebb","ranges":[">=1.15.0 <1.18.5"],"fixed":["1.18.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}