Web

CVE-2026-114604

8.4

High

EPSS n/aPatch available

Prototype-pollution in @graphql-tools/utils allows Object.prototype writes via incremental GraphQL results

exploited

No known exploitation not in CISA KEV as of our last sync

fix

Patch available see the advisory in the references

likelihood

No EPSS score yet

Published 5 Nov 2026Analysed here 6 Nov 2026CVSS scored by the publisher (CNA)

common questions

Is CVE-2026-114604 being exploited?

Not confirmed. CVE-2026-114604 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.

How severe is CVE-2026-114604?

CVE-2026-114604 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-114604?

Yes. A fix has been recorded for CVE-2026-114604. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-114604 affect?

CVE-2026-114604 affects @graphql-tools/utils 10.10.1 - 12.0.1, Node.js GraphQL servers merging untrusted @defer/@stream responses, Applications using graphql-tools mergeIncrementalResult. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-114604?

Upgrade @graphql-tools/utils to >=12.0.2; avoid merging untrusted incremental results and validate inputs.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary

technical analysis

affected

@graphql-tools/utils 10.10.1 - 12.0.1Node.js GraphQL servers merging untrusted @defer/@stream responsesApplications using graphql-tools mergeIncrementalResult

impact

Untrusted @defer/@stream incremental results can write to Object.prototype (prototype pollution), enabling escalation and possible remote code execution in Node.js services.

action required

Patch when possible

affected versions

ardatan graphql-tools

affected>= 10.10.1 and < 12.0.2

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

timeline

5 Nov 2026Published
5 Nov 2026CVE record last updated · same day later
6 Nov 2026Analysed by vulneraibility.com · same day later

how to fix

Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.

references

NVD CVE.org CVE Details Source

5 references in the CVE record: 5 links

Linkgithub.com /ardatan/graphql-tools/security/advisories/GHSA-c4qx-w738-7hr3
Linkgithub.com /ardatan/graphql-tools/pull/8467
Linkgithub.com /ardatan/graphql-tools/commit/19f5b3373fd7ace0688d19950fc529ce8347952a
Linkgithub.com /ardatan/graphql-tools/commit/20d36a5c6eb8fd5524420988e01a48618c450d70
Linkgithub.com /ardatan/graphql-tools/releases/tag/@graphql-tools/[email protected]

sources

CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
NVD: CVSS and CPE data
FIRST EPSS: exploit probability and percentile
Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.

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