CVE-2026-47248
CVE-2026-47248 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-209.
Key facts
- Severity: Medium (CVSS 4.0 base score 6.9)
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-36534
- Weakness: CWE-209
- Published:
- Last modified:
Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.78 and 9.9.1-alpha.2, Parse Server's GraphQL endpoint discloses schema metadata to unauthenticated callers through Did you mean ...? suggestions embedded in GraphQL validation-error messages. An unauthenticated caller who knows only the public application id can iteratively send malformed queries to reconstruct class names, field names, argument names, mutation names, and input-object fields. This issue has been patched in versions 8.6.78 and 9.9.1-alpha.2.
Frequently asked questions
- What is CVE-2026-47248?
- Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.78 and 9.9.1-alpha.2, Parse Server's GraphQL endpoint discloses schema metadata to unauthenticated callers through Did you mean ...? suggestions embedded in GraphQL validation-error messages. An unauthenticated caller who knows only the public application id can iteratively send malformed queries to reconstruct class names, field names, argument names, mutation names, and input-object fields. This issue has been patched in versions 8.6.78 and 9.9.1-alpha.2.
- How severe is CVE-2026-47248?
- CVE-2026-47248 has a CVSS 4.0 base score of 6.9, rated medium severity.
- Is CVE-2026-47248 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-47248?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-47248 have an EU (EUVD) identifier?
- Yes. CVE-2026-47248 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36534.
- When was CVE-2026-47248 published?
- CVE-2026-47248 was published on 2026-06-12 and last updated on 2026-06-17.
References
- https://github.com/parse-community/parse-server/pull/10467
- https://github.com/parse-community/parse-server/pull/10468
- https://github.com/parse-community/parse-server/security/advisories/GHSA-8cph-rgr4-g5vj
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