Vulnerability Database · PyPI · lxml · Version
lxml 5.0.0
5.0.0 is affected by 4 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 6.1.3.
Critical 0 High 2 Medium 0 Low 0 Unrated 2
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Released 29 Dec 2023
Licence BSD-3-Clause
Also known from other sources 2
Newer releases 130
Database updated 23/Oct/2026
Release and licence data published by PyPI. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
lxml 5.0.0 vulnerabilities
4 vulnerabilities cover lxml 5.0.0. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2026-41066: lxml Local File Access Vulnerability | 7.5 high | 6.1.0 | 24 Apr 2026 |
| CVE-2026-41066: lxml Default Configuration Allows XXE to Local Files | 7.5 high | 6.1.0 | 21 Apr 2026 |
| CVE-2022-2309: NULL Pointer Dereference in lxml | N/A unrated | 86368e9cf70a0ad23cccd5ee32de847149af0c6f | 05 Jul 2022 |
| CVE-2018-19787: XSS Vulnerability in lxml | N/A unrated | 6be1d081b49c97cfd7b3fbd934a193b668629109 | 02 Dec 2018 |
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Questions
About lxml 5.0.0
Is lxml 5.0.0 vulnerable?
Yes. 4 vulnerabilities in the Vulert database cover lxml 5.0.0: 0 critical, 2 high, 0 medium and 0 low, plus 2 not yet rated. The upgrade Vulert recommends is 6.1.3, and each entry above names the fixed version to move to.
Which version of lxml should I use instead of 5.0.0?
6.1.3 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 5.0.0 the latest release of lxml?
No. 5.0.0 was published 29 Dec 2023, 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 lxml for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the lxml version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.