CVE-2025-27407
A public proof of concept exists; no exploitation attested.
- Published2025-03-12
- Fixed in2.4.13 · 2.3.21 · 2.2.17 · 2.1.15 · 2.0.32 · 1.13.24
- WeaknessCWE-94
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
graphql-ruby is a Ruby implementation of GraphQL. Starting in version 1.11.5 and prior to versions 1.11.8, 1.12.25, 1.13.24, 2.0.32, 2.1.14, 2.2.17, and 2.3.21, loading a malicious schema definition in `GraphQL::Schema.from_introspection` (or `GraphQL::Schema::Loader.load`) can result in remote code execution. Any system which loads a schema by JSON from an untrusted source is vulnerable, including those that use GraphQL::Client to load external schemas via GraphQL introspection. Versions 1.11.8, 1.12.25, 1.13.24, 2.0.32, 2.1.14, 2.2.17, and 2.3.21 contain a patch for the issue.
Timeline
dates in UTC- 2025-03-1219:15CVE publishedNVD
- 2026-10-2319:23First public proof of conceptPoC-in-GitHub
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-27407?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-27407?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
OSV| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2.4 | ≥ 2.4.0, < 2.4.13 | 2.4.13 | OSV |
| 2.3 | ≥ 2.3.0, < 2.3.21 | 2.3.21 | OSV |
| 2.2 | ≥ 2.2.0, < 2.2.17 | 2.2.17 | OSV |
| 2.1 | ≥ 2.1.0, < 2.1.15 | 2.1.15 | OSV |
| 2.0 | ≥ 2.0.0, < 2.0.32 | 2.0.32 | OSV |
| 1.13 | ≥ 1.13.0, < 1.13.24 | 1.13.24 | OSV |
| 1.12 | ≥ 1.12.0, < 1.12.25 | 1.12.25 | OSV |
| 1.11 | ≥ 1.11.5, < 1.11.11 | 1.11.11 | OSV |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update graphql to 2.4.13 · 2.3.21 · 2.2.17 · 2.1.15 · 2.0.32 · 1.13.24 · 1.12.25 · 1.11.11
Detection
read 2026-10-23 19:24 UTC- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
Sources
- NVDCVE recordread 2026-10-23
- CISA-ADPSSVC decisionnone2025-03-12
- OpenCVESSVC decisionnone—
- CNACVSS 3.19read 2026-10-23
- CNAweakness (CWE)CWE-94read 2026-10-23
- FIRST EPSSEPSS score3.1 %2026-10-22
- PoC-in-GitHubproof of concept1read 2026-10-23
- OSVaffected packages—
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- 2025-03-12
- Last Modified
- 2026-06-17
- NVD status
- Deferred
Frequently asked questions
What is CVE-2025-27407?
Is CVE-2025-27407 actively exploited?
What is the CVSS score for CVE-2025-27407?
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