Lxml
8 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Lxml, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Lxml CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 1 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 1 |
| 2026-09 | 0 |
Severity
How the 8 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- High4
- Medium4
Latest CVEs
The 8 most recently published vulnerabilities affecting Lxml.
- CVE-2026-49825lxml: javascript: URL bypass in Cleaner via xlink:href8.2
- CVE-2026-41066lxml: Default configuration of iterparse() and ETCompatXMLParser() allows XXE to local files7.5
- CVE-2022-2309NULL Pointer Dereference in lxml/lxml7.5
- CVE-2021-43818HTML Cleaner allows crafted and SVG embedded scripts to pass through8.2
- CVE-2021-28957An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safe_attrs_only and forms arguments, the Cleaner class does not remove the formaction att...6.1
- CVE-2020-27783A XSS vulnerability was discovered in python-lxml's clean module. The module's parser didn't properly imitate browsers, which caused different behaviors between the sanitizer and the user's page. A...6.1
- CVE-2018-19787An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks,...6.1
- CVE-2014-3146Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via control characters in the link scheme...6.1
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