Medium severity · published Mar 6, 2023
CVE-2023-26108
Versions of the package @nestjs/core before 9.0.5 are vulnerable to Information Exposure via the StreamableFile pipe
5.3
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Nest · Nestjs
before 9.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-26108
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-26108
Exploit
https://github.com/nestjs/nest/issues/9759
Issue Tracking
https://github.com/nestjs/nest/pull/9819
Patch
https://github.com/nestjs/nest/pull/9819/commits/f59cf5e81ca73bcdf1b5b36713550fd93918db41
Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-NESTJSCORE-2869127
More from Nest
9.8
CVE-2026-2293
NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass
8.8
CVE-2025-54782
@nestjs/devtools-integration's CSRF to Sandbox Escape Allows for RCE against JS Developers
8.7
CVE-2026-54281
Nest: Middleware Bypass on Fastify via Trailing Slash
7.5
CVE-2026-102281
Nest: Remote process termination via a deeply nested microservice message pattern
7.5
CVE-2026-40879
Nest: DoS via Recursive handleData in JsonSocket (TCP Transport)
