CVE-2026-33627

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.61 and 9.6.0-alpha.55, an authenticated user calling GET /users/me receives unsanitized auth data, including sensitive credentials such as MFA TOTP secrets and recovery codes. The endpoint internally uses master-level authentication for the session query, and the master context leaks through to the user data, bypassing auth adapter sanitization. An attacker who obtains a user's session token can extract MFA secrets to generate valid TOTP codes indefinitely. This issue has been patched in versions 8.6.61 and 9.6.0-alpha.55.

References

• https://github.com/parse-community/parse-server/commit/5b8998e6866bcf75be7b5bb625e27d23bfaf912c
• https://github.com/parse-community/parse-server/commit/875cf10ac979bd60f70e7a0c534e2bc194d6982f
• https://github.com/parse-community/parse-server/pull/10278
• https://github.com/parse-community/parse-server/pull/10279
• https://github.com/parse-community/parse-server/security/advisories/GHSA-37mj-c2wf-cx96