CVE Explorer

CVE-2026-41066

lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.0, using either of the two parsers in the default configuration (with resolve_entities=True) allows untrusted XML input to read local files. Setting the resolve_entities option explicitly to resolve_entities='internal' or resolve_entities=False disables the local file access. This vulnerability is fixed in 6.1.0.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f982453746de1be357671e131766978007c74bc8de033a4bab7993b08a8bba30

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"lxml","vendor":"lxml","versions":[{"status":"affected","version":"< 6.1.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d992b19174457abebec470be6d1463dd819a4e9902c58b97db47c720a736f2a1 · sha256:db08865045774d6e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d992b19174457abebec470be6d1463dd819a4e9902c58b97db47c720a736f2a1 · sha256:db08865045774d6e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-611","description":"CWE-611: Improper Restriction of XML External Entity Reference","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:d992b19174457abebec470be6d1463dd819a4e9902c58b97db47c720a736f2a1 · sha256:db08865045774d6e… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://bugs.launchpad.net/lxml/+bug/2146291","tags":["x_refsource_MISC"],"url":"https://bugs.launchpad.net/lxml/+bug/2146291"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d992b19174457abebec470be6d1463dd819a4e9902c58b97db47c720a736f2a1 · sha256:db08865045774d6e… · /containers/cna/references/1

{"name":"https://github.com/lxml/lxml/security/advisories/GHSA-vfmq-68hx-4jfw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/lxml/lxml/security/advisories/GHSA-vfmq-68hx-4jfw"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d992b19174457abebec470be6d1463dd819a4e9902c58b97db47c720a736f2a1 · sha256:db08865045774d6e… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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