Read the docs
TI-2020-12113 Aliases CVE-2020-15366GHSA-v88g-cgmw-v5xw

An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator)…

Priority LOW 30CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Tampering
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Partial Red Hat: 9 fixed, 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-915.

Summary

An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted schemas are recommended against, the worst case of an untrusted schema should be a denial of service, not execution of code.)

Why it matters now

EPSS 0.02313 83rd percentileScored 2026-11-07
Fix Partial ajv (npm): 6.12.3Red Hat: 9 advisoriesRed Hat: 9 fixed, 4 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—ajv (npm)before 6.12.36.12.3Patch availableGHSA-v88g-cgmw-v5xw
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • ajv (npm) Vendor— Affected before 6.12.3 Fixed in 6.12.3 Patch available GHSA-v88g-cgmw-v5xw

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ajv.js:ajv:6.12.2:*:*:*:*:*:*:*6.12.2Vulnerableajv.js
  • cpe:2.3:a:ajv.js:ajv:6.12.2:*:*:*:*:*:*:* Versions 6.12.2 Vulnerable ·ajv.js

Remediation

  • Fix · GHSA-v88g-cgmw-v5xw ajv (npm) Fixed in 6.12.3 Advisory →

Red Hat 9 advisories

  • RHSA-2021:3917 Released 2021-10-19 · Red Hat rating Important
    Red Hat Quay v3.6.0 security, bug fix and enhancement update
    • Quay v3 quay/quay-rhel8
  • RHSA-2021:0781 Released 2021-03-09 · Red Hat rating Moderate
    Red Hat Ansible Automation Platform 1.2.2 security and bug fix update
    • Red Hat Automation Hub 4.2 for RHEL 7 automation-hub-4.2.2-1.el7pc, python-bleach-3.3.0-1.el7pc, python-bleach-allowlist-1.0.3-1.el7pc +9
    • Red Hat Automation Hub 4.2 for RHEL 8 automation-hub-4.2.2-1.el8pc, python-bleach-3.3.0-1.el8pc, python-bleach-allowlist-1.0.3-1.el8pc +9
  • RHSA-2021:0551 Released 2021-02-16 · Red Hat rating Moderate
    nodejs:14 security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:14.15.4-2.module+el8.3.0+9635+ffdf8381.aarch64::nodejs:14, nodejs-1:14.15.4-2.module+el8.3.0+9635+ffdf8381.ppc64le::nodejs:14, nodejs-1:14.15.4-2.module+el8.3.0+9635+ffdf8381.s390x::nodejs:14 +19
Show 6 more Red Hat advisories
  • RHSA-2021:0548 Released 2021-02-16 · Red Hat rating Moderate
    nodejs:10 security update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:10.23.1-1.module+el8.3.0+9502+012d8a97.aarch64::nodejs:10, nodejs-1:10.23.1-1.module+el8.3.0+9502+012d8a97.ppc64le::nodejs:10, nodejs-1:10.23.1-1.module+el8.3.0+9502+012d8a97.s390x::nodejs:10 +19
  • RHSA-2021:0521 Released 2021-02-15 · Red Hat rating Moderate
    rh-nodejs10-nodejs security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs10-nodejs-10.23.1-2.el7, rh-nodejs10-nodejs-devel-10.23.1-2.el7, rh-nodejs10-nodejs-docs-10.23.1-2.el7 +1
  • RHSA-2021:0421 Released 2021-02-04 · Red Hat rating Moderate
    rh-nodejs14-nodejs security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs14-nodejs-14.15.4-2.el7, rh-nodejs14-nodejs-devel-14.15.4-2.el7, rh-nodejs14-nodejs-docs-14.15.4-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs14-nodejs-14.15.4-2.el7, rh-nodejs14-nodejs-devel-14.15.4-2.el7, rh-nodejs14-nodejs-docs-14.15.4-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs14-nodejs-14.15.4-2.el7, rh-nodejs14-nodejs-devel-14.15.4-2.el7, rh-nodejs14-nodejs-docs-14.15.4-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs14-nodejs-14.15.4-2.el7, rh-nodejs14-nodejs-devel-14.15.4-2.el7, rh-nodejs14-nodejs-docs-14.15.4-2.el7 +1
  • RHSA-2020:5499 Released 2020-12-15 · Red Hat rating Moderate
    nodejs:12 security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:12.19.1-1.module+el8.3.0+8851+b7b41ca0.aarch64::nodejs:12, nodejs-1:12.19.1-1.module+el8.3.0+8851+b7b41ca0.ppc64le::nodejs:12, nodejs-1:12.19.1-1.module+el8.3.0+8851+b7b41ca0.s390x::nodejs:12 +19
  • RHSA-2020:5305 Released 2020-12-01 · Red Hat rating Moderate
    rh-nodejs12-nodejs security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs12-nodejs-12.19.1-2.el7, rh-nodejs12-nodejs-devel-12.19.1-2.el7, rh-nodejs12-nodejs-docs-12.19.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs12-nodejs-12.19.1-2.el7, rh-nodejs12-nodejs-devel-12.19.1-2.el7, rh-nodejs12-nodejs-docs-12.19.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs12-nodejs-12.19.1-2.el7, rh-nodejs12-nodejs-devel-12.19.1-2.el7, rh-nodejs12-nodejs-docs-12.19.1-2.el7 +1
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs12-nodejs-12.19.1-2.el7, rh-nodejs12-nodejs-devel-12.19.1-2.el7, rh-nodejs12-nodejs-docs-12.19.1-2.el7 +1
  • RHSA-2020:4298 Released 2020-10-27 · Red Hat rating Moderate
    OpenShift Container Platform 4.6.1 image security update
    • Red Hat OpenShift Container Platform 4.6 openshift4/ose-ansible-operator, openshift4/ose-aws-machine-controllers, openshift4/ose-azure-machine-controllers +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
OpenShift Service Mesh 1AffectedNo fix yet: Fix deferred
Red Hat OpenShift Container Platform 3.11AffectedNo fix yet: Fix deferred
Red Hat OpenShift Container Platform 4AffectedNo fix yet: Fix deferred
Red Hat OpenShift Virtualization 1AffectedNo fix planned: Will not fix
Quay v3Fixed RHSA-2021:3917
Red Hat Automation Hub 4.2 for RHEL 7Fixed RHSA-2021:0781
Red Hat Automation Hub 4.2 for RHEL 8Fixed RHSA-2021:0781
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:5499, RHSA-2021:0548, RHSA-2021:0551
Red Hat OpenShift Container Platform 4.6Fixed RHSA-2020:4298
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:5305, RHSA-2021:0421, RHSA-2021:0521
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:5305, RHSA-2021:0421, RHSA-2021:0521
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2020:5305, RHSA-2021:0421, RHSA-2021:0521
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:5305, RHSA-2021:0421, RHSA-2021:0521
Not affected: 2 products
  • Quay v3
  • Red Hat OpenShift Container Platform 4.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15366
  2. 2026-10-03 Alias added: GHSA-v88g-cgmw-v5xw

References

Advisory 3

Other 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences