Vulnerability Database · Packagist · symfony/http-kernel · Version
symfony/http-kernel v5.2.8
v5.2.8 is affected by 1 vulnerability.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 0 High 0 Medium 1 Low 0 Unrated 0
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Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
symfony/http-kernel v5.2.8 vulnerabilities
1 vulnerability cover symfony/http-kernel v5.2.8. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2021-41267: Webcache Poisoning in symfony/http-kernel | 6.5 medium | 5.3.12 | 24 Nov 2021 |
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Questions
About symfony/http-kernel v5.2.8
Is symfony/http-kernel v5.2.8 vulnerable?
Yes. 1 vulnerability in the Vulert database cover symfony/http-kernel v5.2.8: 0 critical, 0 high, 1 medium and 0 low. Each entry above names the fixed version to move to.
How do I monitor symfony/http-kernel for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the symfony/http-kernel version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.