Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-36665

31
FAUCET Score

CVE-2023-36665 is a critical Prototype Pollution vulnerability affecting protobuf.js versions 6.10.0 through 7.x before 7.2.5. An attacker can manipulate user-controlled protobuf messages to inject or overwrite properties in Object.prototype, potentially leading to arbitrary code execution or denial of service. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity and no user interaction, allowing for complete compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.10.0, < 7.2.5CPE matchmatch criteria
cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 62nd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: protobufjsFixed in: 6.11.4
npmpatch availablevia ghsa
Product: protobufjsFixed in: 7.2.5
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: grafana
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: grafana
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-console

Vendor Advisories (2)

npmGHSA-h755-8qp9-cq85critical

protobufjs Prototype Pollution vulnerability

Jul 5, 2023
redhatCVE-2023-36665Moderate

protobufjs: prototype pollution using user-controlled protobuf message

Jul 5, 2023

References

github.com / protobufjs/protobuf.js/commit/e66379f451b0393c27d87b37fa7d271619e16b0d
Patch
github.com / protobufjs/protobuf.js/compare/protobufjs-v7.2.3...protobufjs-v7.2.4
Patch
github.com / protobufjs/protobuf.js/pull/1899
PatchVendor Advisory
github.com / protobufjs/protobuf.js/releases/tag/protobufjs-v7.2.4
Release Notes
security.netapp.com / advisory/ntap-20240628-0006
code-intelligence.com / blog/cve-protobufjs-prototype-pollution-cve-2023-36665
ExploitPatchThird Party Advisory