GHSA-wjqw-r9x4-j59v
Parse Server affected by empty authData bypassing credential requirement on signup
At a glance
- Published
- Updated
- CVE
- CVE-2026-33042
- Aliases
- BIT-parse-2026-33042
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Description
### Impact A user can sign up without providing credentials by sending an empty `authData` object, bypassing the username and password requirement. This allows the creation of authenticated sessions without proper credentials, even when anonymous users are disabled. ### Patches The fix ensures that empty or non-actionable `authData` is treated the same as absent `authData` for the purpose of credential validation on new user creation. Username and password are now required when no valid auth provider data is present. ### Workarounds Use a Cloud Code `beforeSave` trigger on the `_User` class to reject signups where `authData` is empty and no username/password is provided.
Affected packages
| Package | Versions |
|---|---|
| npm · parse-server | introduced 9.0.0, fixed 9.6.0-alpha.29 |
| npm · parse-server | introduced 0, fixed 8.6.49 |
References
- https://github.com/parse-community/parse-server/security/advisories/GHSA-wjqw-r9x4-j59v WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-33042 ADVISORY
- https://github.com/parse-community/parse-server/pull/10219 WEB
- https://github.com/parse-community/parse-server/pull/10220 WEB
- https://github.com/parse-community/parse-server PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |