Nest is a framework for building scalable Node.js server-side applications. Prior to 11.2.4 and 12.0.2, a single message with a deeply nested object in its pattern can terminate a NestJS microservice using the TCP or RabbitMQ transport. ServerTCP#handleMessage and ServerRMQ#handleMessage pass a client-controlled non-string pattern to JSON.stringify to derive the handler lookup key; sufficiently deep nesting throws RangeError: Maximum call stack size exceeded, and the unhandled promise rejection terminates Node.js under its default behavior. An attacker who can reach the TCP port or publish to the consumed RabbitMQ queue or exchange can crash the service on demand; other transports are not affected because their patterns arrive as strings. This issue is fixed in versions 11.2.4 and 12.0.2.
CVE-2026-102281
This high-severity CVE scores 7.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4% (29th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5HIGHmedium confidence
- EG Risk
- 65EG Risk 65/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation40% × 40%Automatability100% × 15%CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.4%
- EPSS %ILE
- 29th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
September 28, 2026
Last Modified
September 30, 2026
Advisory Details (6)
Auto-updated Sep 28, 2026v12.0.2
Patch available: nestjs/nest v12.0.2
https://github.com/nestjs/nest/releases/tag/v12.0.2v11.2.4
Patch available: nestjs/nest v11.2.4
https://github.com/nestjs/nest/releases/tag/v11.2.4commit e9dcd4c7ac64 (nestjs/nest)
Patch available: nestjs/nest v11.2.4 (contains commit e9dcd4c7ac64)
https://github.com/nestjs/nest/commit/e9dcd4c7ac64361fbfe79461da85f5b3fc3e02dacommit aa97b5144d8d (nestjs/nest)
Fix landed in nestjs/nest commit aa97b5144d8d — awaiting tagged release
https://github.com/nestjs/nest/commit/aa97b5144d8dff1ce700aac521eb86449a679d6ffix: absolute-form middleware bypass (fastify) and unserializable pattern crash (microservices)
Patch available: nestjs/nest v12.0.2 (PR #17737 merged 2026-09-14)
https://github.com/nestjs/nest/pull/17737Remote process termination via a deeply nested microservice message pattern · Advisory · nestjs/nest · GitHub
https://github.com/nestjs/nest/security/advisories/GHSA-m8vh-jmq9-5rjgVendor Advisories for CVE-2026-102281(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| @nestjs/microservices | — | 11.2.4 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 14× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-03 19:08 UTCEG score recompute
- 2026-10-03 14:25 UTCEPSS rescore
- 2026-10-02 19:26 UTCEG score recompute
- 2026-10-02 07:35 UTCEG score recompute
- 2026-10-01 19:49 UTCEPSS rescore
- 2026-09-30 20:02 UTCEG score recompute
- 2026-09-30 15:02 UTCEPSS rescore
- 2026-09-30 01:34 UTCEG score recompute
- 2026-09-29 15:20 UTCEPSS rescore
- 2026-09-29 13:43 UTCEG score recompute
- 2026-09-29 13:12 UTCEG score recompute
- 2026-09-28 22:29 UTCEG score recompute
- 2026-09-28 21:32 UTCEG score recompute
- 2026-09-28 21:31 UTCMITRE cvelistV5first tracked
Related CVEs(same product + same CWE)
Frequently asked(5)
What is CVE-2026-102281?
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Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-102281
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