Vulnerability Database · PyPI · localstack · Version
localstack 4.2.1.dev138
4.2.1.dev138 is affected by 3 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 2026.8.2.
Critical 0 High 2 Medium 1 Low 0 Unrated 0
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Released 26 Mar 2025
Licence Apache-2.0
Also known from other sources 1
Newer releases 300
Database updated 22/Oct/2026
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01 Vulnerabilities affecting this version
localstack 4.2.1.dev138 vulnerabilities
3 vulnerabilities cover localstack 4.2.1.dev138. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2023-48054: Missing SSL certificate validation in localstack | 7.4 high | No fix published | 16 Nov 2023 |
| CVE-2023-48054: Missing SSL Certificate Validation in localstack v2.3.2 | 7.4 high | No fix published | 16 Nov 2023 |
| Cross-site scripting in LocalStack | 6.1 medium | No fix published | 18 Jun 2021 |
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Questions
About localstack 4.2.1.dev138
Is localstack 4.2.1.dev138 vulnerable?
Yes. 3 vulnerabilities in the Vulert database cover localstack 4.2.1.dev138: 0 critical, 2 high, 1 medium and 0 low. The upgrade Vulert recommends is 2026.8.2, and each entry above names the fixed version to move to.
Which version of localstack should I use instead of 4.2.1.dev138?
2026.8.2 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 4.2.1.dev138 the latest release of localstack?
No. 4.2.1.dev138 was published 26 Mar 2025, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor localstack for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the localstack version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.