Prototype pollution in protobufjs
Priority MEDIUM 40CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
The package protobufjs before 6.11.3 are vulnerable to Prototype Pollution which can allow an attacker to add/modify properties of the Object.prototype. This vulnerability can occur in multiple ways: 1. by providing untrusted user input to util.setProperty or to ReflectionObject.setParsedOption functions 2. by parsing/loading .proto files
Why it matters now
EPSS 0.02329 83rd percentileScored 2026-11-07
Fix Partial protobufjs: 6.11.3protobufjs (npm): 6.11.3, 6.10.3Red Hat: 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | protobufjs | before 6.11.3 | 6.11.3 | Patch available | CNA |
| — | protobufjs (npm) | 6.11.0 to before 6.11.3 | 6.11.3 | Patch available | GHSA-g954-5hwp-pp24 |
| — | protobufjs (npm) | 6.10.0 to before 6.10.3 | 6.10.3 | Patch available | GHSA-g954-5hwp-pp24 |
- protobufjs Vendor— Affected before 6.11.3 Fixed in 6.11.3 Patch available CNA
- protobufjs (npm) Vendor— Affected 6.11.0 to before 6.11.3 Fixed in 6.11.3 Patch available GHSA-g954-5hwp-pp24
- protobufjs (npm) Vendor— Affected 6.10.0 to before 6.10.3 Fixed in 6.10.3 Patch available GHSA-g954-5hwp-pp24
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:* | before 6.11.3 | Vulnerable | protobufjs |
- cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:* Versions before 6.11.3 Vulnerable ·protobufjs
Remediation
- Fix · CNA protobufjs Fixed in 6.11.3
- Fix · GHSA-g954-5hwp-pp24 protobufjs (npm) Fixed in 6.11.3 Advisory →
- Fix · GHSA-g954-5hwp-pp24 protobufjs (npm) Fixed in 6.10.3 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 9 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- OpenShift Service Mesh 2.1
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25878
- 2026-10-03 Alias added: GHSA-g954-5hwp-pp24
References
Patch 2
More Protobufjs vulnerabilities
- TI-2026-29851 protobufjs has an arbitrary code execution issue CVSS 4.0CRITICAL 9.4
- TI-2023-18481 "protobuf.js (aka protobufjs) 6.10.0 through 7.x before 7.2.5 allows Prototype Pollution… CVSS 3.1CRITICAL 9.8
- TI-2026-32260 protobufjs: Denial of service through unbounded protobuf recursion CVSS 3.1HIGH 7.5
- TI-2026-42691 protobufjs: Denial of Service via infinite loop in .proto option parsing CVSS 3.1HIGH 7.5
- TI-2026-35993 protobufjs: Denial of service through unbounded Any expansion during JSON conversion CVSS 3.1HIGH 7.5
- TI-2026-32261 protobufjs: Process-wide denial of service through unsafe option paths CVSS 3.1HIGH 7.5
Sources
- CVE-2022-25878 · CVE Program
- CVE-2022-25878 · NVD
- FIRST EPSS
- GHSA-g954-5hwp-pp24 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-25878 · Red Hat security data · CC BY 4.0
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