Information disclosure in @nestjs/core
Priority LOW 25CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
Versions of the package @nestjs/core before 9.0.5 are vulnerable to Information Exposure via the StreamableFile pipe. Exploiting this vulnerability is possible when the client cancels a request while it is streaming a StreamableFile, the stream wrapped by the StreamableFile will be kept open.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00707 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed @nestjs/core: 9.0.5@nestjs/core (npm): 9.0.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | @nestjs/core | before 9.0.5 | 9.0.5 | Patch available | CNA |
| — | @nestjs/core (npm) | before 9.0.5 | 9.0.5 | Patch available | GHSA-4jpv-8r57-pv7j |
- @nestjs/core Vendor— Affected before 9.0.5 Fixed in 9.0.5 Patch available CNA
- @nestjs/core (npm) Vendor— Affected before 9.0.5 Fixed in 9.0.5 Patch available GHSA-4jpv-8r57-pv7j
Remediation
- Fix · CNA @nestjs/core Fixed in 9.0.5
- Fix · GHSA-4jpv-8r57-pv7j @nestjs/core (npm) Fixed in 9.0.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26108
- 2026-10-03 Alias added: GHSA-4jpv-8r57-pv7j
References
More nestjs Nest vulnerabilities
- TI-2026-01938 NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass CVSS 4.0HIGH 8.2
- TI-2025-42665 Nest has a Fastify URL Encoding Middleware Bypass (TOCTOU) CVSS 4.0MEDIUM 6.9
- TI-2024-19449 File Upload vulnerability in nestjs nest v.10.3.2 allows a remote attacker to execute… CVSS 3.1MEDIUM 5.5
- TI-2026-25458 Nest Fastify HEAD Request Middleware Bypass CVSS 4.0HIGH 8.7
- TI-2026-29535 Nest: DoS via Recursive handleData in JsonSocket (TCP Transport) CVSS 3.1HIGH 7.5
- TI-2026-27632 @nestjs/core Improperly Neutralizes Special Elements in Output Used by a Downstream Component ('Injection') CVSS 4.0MEDIUM 6.3
Sources
- CVE-2023-26108 · CVE Program
- CVE-2023-26108 · NVD
- FIRST EPSS
- GHSA-4jpv-8r57-pv7j · GitHub Advisory Database · CC BY 4.0
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