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Fencer Vulns
medium 5.3

CVE-2023-26144 json

graphql Uncontrolled Resource Consumption vulnerability

published 2023-09-20 3 y ago modified 2026-06-17 4 mo ago also GHSA-9pv7-vfvm-6vr7 , EUVD-2023-2482

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

Versions of the package graphql from 16.3.0 and before 16.8.1 are vulnerable to Denial of Service (DoS) due to insufficient checks in the OverlappingFieldsCanBeMergedRule.ts file when parsing large queries. This vulnerability allows an attacker to degrade system performance. **Note:** It was not proven that this vulnerability can crash the process.

Patch / fix

  • npm graphql 16.8.1
  • n/a graphql 16.8.1
  • node-graphql Debian 14, Debian 13 16.8.1-1

debian advisories DEBIAN-CVE-2023-26144

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-26144 updated cvss 5.3

graphql: Insufficient checks in the OverlappingFieldsCanBeMergedRule.ts file when parsing large queries

  • Red Hat OpenShift Serverless graphql Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/search-api-rhel8 Red Hat Advanced Cluster Security 3 advanced-cluster-security/rhacs-main-rhel8 Red Hat OpenShift Container Platform 4 openshift4/ose-console
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Data Science (RHODS) rhods/odh-dashboard-rhel8
    affected: no fix available
  • Red Hat OpenShift Dev Spaces devspaces/code-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat Migration Toolkit for Virtualization 2.5 migration-toolkit-virtualization/mtv-console-plugin-rhel9 2.5.2-5
    fixed: vendor fix RHBA-2023:6078
  • Red Hat RHACS 4.4 for RHEL 8 advanced-cluster-security/rhacs-main-rhel8 4.4.0-17
    fixed: vendor fix RHSA-2024:1570
  • Red Hat Migration Toolkit for Virtualization 2.5 migration-toolkit-virtualization/mtv-api-rhel9 2.5.2-5, migration-toolkit-virtualization/mtv-rhel8-operator 2.5.2-3, migration-toolkit-virtualization/mtv-virt-v2v-rhel9 2.5.2-5, migration-toolkit-virtualization/mtv-controller-rhel9 2.5.2-5, migration-toolkit-virtualization/mtv-operator-bundle 2.5.2-20, migration-toolkit-virtualization/mtv-validation-rhel9 2.5.2-5, +7 more Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/console-rhel8 Red Hat RHACS 4.4 for RHEL 8 advanced-cluster-security/rhacs-roxctl-rhel8 4.4.0-9, advanced-cluster-security/rhacs-rhel8-operator 4.4.0-9, advanced-cluster-security/rhacs-scanner-rhel8 4.4.0-11, advanced-cluster-security/rhacs-collector-rhel8 4.4.0-2, advanced-cluster-security/rhacs-central-db-rhel8 4.4.0-9, advanced-cluster-security/rhacs-operator-bundle 4.4.0-17, +6 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • security.snyk.io https://security.snyk.io/vuln/SNYK-JS-GRAPHQL-5905181 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/graphql/graphql-js/issues/3955 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
npm graphql
>=16.3.0, <16.8.1
16.8.1

Affected products

  • n/a graphql

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.