CVE-2026-33627

HIGH EPSS 29.6%
Published Mar 24, 20263mo ago · Modified Jun 17, 20261w ago
7.1 CVSS 4.0
High
Find Similar
Published Mar 24, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.1
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
29.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 56

VendorProductVersionRange
parseplatformparse-server* <8.6.61
parseplatformparse-server*≥9.0.0  –  <9.6.0
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any
parseplatformparse-server9.6.0any

References 5

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

Remediation

  • github.com https://github.com/parse-community/parse-server/commit/5b8998e6866bcf75be7b5bb625e27d23bfaf912c
    Patch
  • github.com https://github.com/parse-community/parse-server/commit/875cf10ac979bd60f70e7a0c534e2bc194d6982f
    Patch