CVE Details
| CVE ID |
Severity |
Affected Package |
Installed Version |
Fixed Version |
Date Published |
Date of Scan |
| CVE-2026-27903 |
HIGH |
minimatch |
3.1.2 |
10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, 3.1.3 |
2026-02-26T02:16:21.353Z |
2026-02-27T10:18:22.081501916Z |
Affected Docker Images
| Image Name |
SHA |
public.ecr.aws/lambda/nodejs:latest |
public.ecr.aws/lambda/nodejs@sha256:08a1a854f41c9cf47b752eb13df532388515ee7dea520ef7854b57a21f775aec |
public.ecr.aws/lambda/nodejs:24 |
public.ecr.aws/lambda/nodejs@sha256:e9a2798c884e8b948ff0670c737c308dc194405986b8ada529155cb61dfbd9d7 |
public.ecr.aws/lambda/nodejs:22 |
public.ecr.aws/lambda/nodejs@sha256:08a1a854f41c9cf47b752eb13df532388515ee7dea520ef7854b57a21f775aec |
public.ecr.aws/lambda/nodejs:20 |
public.ecr.aws/lambda/nodejs@sha256:d187370a830039ddcbf432924071c9f400c41ee69916d8d53b0571753bdd6b95 |
Description
minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3, matchOne() performs unbounded recursive backtracking when a glob pattern contains multiple non-adjacent ** (GLOBSTAR) segments and the input path does not match. The time complexity is O(C(n, k)) -- binomial -- where n is the number of path segments and k is the number of globstars. With k=11 and n=30, a call to the default minimatch() API stalls for roughly 5 seconds. With k=13, it exceeds 15 seconds. No memoization or call budget exists to bound this behavior. Any application where an attacker can influence the glob pattern passed to minimatch() is vulnerable. The realistic attack surface includes build tools and task runners that accept user-supplied glob arguments (ESLint, Webpack, Rollup config), multi-tenant systems where one tenant configures glob-based rules that run in a shared process, admin or developer interfaces that accept ignore-rule or filter configuration as globs, and CI/CD pipelines that evaluate user-submitted config files containing glob patterns. An attacker who can place a crafted pattern into any of these paths can stall the Node.js event loop for tens of seconds per invocation. The pattern is 56 bytes for a 5-second stall and does not require authentication in contexts where pattern input is part of the feature. Versions 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3 fix the issue.
Remediation Steps
- Update the affected package
minimatch from version 3.1.2 to 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, 3.1.3.
About this issue
- This issue may not contain all the information about the CVE nor the images it affects.
- This issue will not be updated with new information and the list of affected images may have changed since the creation of this issue.
- For more, visit Lambda Watchdog.
- This issue was created automatically by Lambda Watchdog.
