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Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-jp88-wzxq-vyfn
Summary
lxml: Default configuration of iterparse() and ETCompatXMLParser() allows XXE to local files
### Impact
Using either of the two parsers in the default configuration (with `resolve_entities=True`) allows untrusted XML input to read local files.

### Patches
lxml 6.1.0 changes the default to `resolve_entities='internal'`, thus disallowing local file access by default.

### Workarounds
Setting the `resolve_entities` option explicitly to `resolve_entities='internal'` or `resolve_entities=False` disables the local file access.

### Resources
Original report: https://bugs.launchpad.net/lxml/+bug/2146291

The default option was changed to `resolve_entities='internal'` for the normal XML and HTML parsers in lxml 5.0. The default was not changed for `iterparse()` and `ETCompatXMLParser()` at the time. lxml 6.1 makes the safe option the default for all parsers.
Aliases
0
alias CVE-2026-41066
1
alias GHSA-vfmq-68hx-4jfw
Fixed_packages
0
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=aarch64&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=aarch64&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=aarch64&distroversion=edge&reponame=main
1
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=armhf&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=armhf&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=armhf&distroversion=edge&reponame=main
2
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=armv7&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=armv7&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=armv7&distroversion=edge&reponame=main
3
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=loongarch64&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=loongarch64&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=loongarch64&distroversion=edge&reponame=main
4
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=ppc64le&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=ppc64le&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=ppc64le&distroversion=edge&reponame=main
5
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=riscv64&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=riscv64&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=riscv64&distroversion=edge&reponame=main
6
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=s390x&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=s390x&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=s390x&distroversion=edge&reponame=main
7
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=x86&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=x86&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=x86&distroversion=edge&reponame=main
8
url pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=x86_64&distroversion=edge&reponame=main
purl pkg:apk/alpine/py3-lxml@6.1.0-r0?arch=x86_64&distroversion=edge&reponame=main
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/py3-lxml@6.1.0-r0%3Farch=x86_64&distroversion=edge&reponame=main
9
url pkg:deb/debian/lxml@6.1.0-1?distro=trixie
purl pkg:deb/debian/lxml@6.1.0-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@6.1.0-1%3Fdistro=trixie
10
url pkg:deb/debian/lxml@6.1.0-1
purl pkg:deb/debian/lxml@6.1.0-1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@6.1.0-1
11
url pkg:pypi/lxml@6.1.0
purl pkg:pypi/lxml@6.1.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:pypi/lxml@6.1.0
Affected_packages
0
url pkg:deb/debian/lxml@4.6.3%2Bdfsg-0.1%2Bdeb11u1
purl pkg:deb/debian/lxml@4.6.3%2Bdfsg-0.1%2Bdeb11u1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-4m3j-qy8c-4uhk
1
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@4.6.3%252Bdfsg-0.1%252Bdeb11u1
1
url pkg:deb/debian/lxml@4.6.3%2Bdfsg-0.1%2Bdeb11u1?distro=trixie
purl pkg:deb/debian/lxml@4.6.3%2Bdfsg-0.1%2Bdeb11u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-4m3j-qy8c-4uhk
1
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@4.6.3%252Bdfsg-0.1%252Bdeb11u1%3Fdistro=trixie
2
url pkg:deb/debian/lxml@4.9.2-1?distro=trixie
purl pkg:deb/debian/lxml@4.9.2-1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@4.9.2-1%3Fdistro=trixie
3
url pkg:deb/debian/lxml@4.9.2-1
purl pkg:deb/debian/lxml@4.9.2-1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@4.9.2-1
4
url pkg:deb/debian/lxml@5.4.0-1?distro=trixie
purl pkg:deb/debian/lxml@5.4.0-1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@5.4.0-1%3Fdistro=trixie
5
url pkg:deb/debian/lxml@5.4.0-1
purl pkg:deb/debian/lxml@5.4.0-1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@5.4.0-1
6
url pkg:deb/debian/lxml@6.0.2-1
purl pkg:deb/debian/lxml@6.0.2-1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@6.0.2-1
7
url pkg:deb/debian/lxml@6.0.2-1?distro=trixie
purl pkg:deb/debian/lxml@6.0.2-1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-jp88-wzxq-vyfn
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/lxml@6.0.2-1%3Fdistro=trixie
References
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41066.json
reference_id
reference_type
scores
0
value 5.9
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41066.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-41066
reference_id
reference_type
scores
0
value 0.00031
scoring_system epss
scoring_elements 0.08881
published_at 2026-04-29T12:55:00Z
1
value 0.00032
scoring_system epss
scoring_elements 0.09121
published_at 2026-04-26T12:55:00Z
2
value 0.00041
scoring_system epss
scoring_elements 0.12263
published_at 2026-05-07T12:55:00Z
3
value 0.00041
scoring_system epss
scoring_elements 0.12128
published_at 2026-05-05T12:55:00Z
4
value 0.00041
scoring_system epss
scoring_elements 0.12326
published_at 2026-05-09T12:55:00Z
5
value 0.00041
scoring_system epss
scoring_elements 0.12342
published_at 2026-05-12T12:55:00Z
6
value 0.00041
scoring_system epss
scoring_elements 0.12319
published_at 2026-05-11T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-41066
2
reference_url https://bugs.launchpad.net/lxml/+bug/2146291
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-24T18:03:40Z/
url https://bugs.launchpad.net/lxml/+bug/2146291
3
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-41066
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-41066
4
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
reference_id
reference_type
scores
0
value 5.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
5
reference_url https://github.com/lxml/lxml
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/lxml/lxml
6
reference_url https://github.com/lxml/lxml/releases/tag/lxml-6.1.0
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/lxml/lxml/releases/tag/lxml-6.1.0
7
reference_url https://github.com/lxml/lxml/security/advisories/GHSA-vfmq-68hx-4jfw
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
2
value HIGH
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-24T18:03:40Z/
url https://github.com/lxml/lxml/security/advisories/GHSA-vfmq-68hx-4jfw
8
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2461613
reference_id 2461613
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2461613
9
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-41066
reference_id CVE-2026-41066
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-41066
10
reference_url https://github.com/advisories/GHSA-vfmq-68hx-4jfw
reference_id GHSA-vfmq-68hx-4jfw
reference_type
scores
0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-vfmq-68hx-4jfw
Weaknesses
0
cwe_id 611
name Improper Restriction of XML External Entity Reference
description The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
Exploits
Severity_range_score5.9 - 8.9
Exploitability0.5
Weighted_severity8.0
Risk_score4.0
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-jp88-wzxq-vyfn