Medium
python-pip — security advisory
pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing "incorrect" files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.
- Products
- python-pip
- Affected versions
- 1.4.1-2, 1.5.4-1, 1.5.4-1ubuntu1, 1.5.4-1ubuntu3, 1.5.4-1ubuntu4, 1.5.4-1ubuntu4+esm1, 1.5.4-1ubuntu4+esm2, 1.5.4-1ubuntu4+esm3, 1.5.4-1ubuntu4+esm4, 1.5.4-1ubuntu4+esm5, 1.5.6-7ubuntu1, 1.5.6-7ubuntu2, 18.1-5, 18.1-5build1, 18.1-5ubuntu1, 20.0.2-2, 20.0.2-4, 20.0.2-5, 20.0.2-5ubuntu1, 20.0.2-5ubuntu1.1, 20.0.2-5ubuntu1.10, 20.0.2-5ubuntu1.10+esm2, 20.0.2-5ubuntu1.11, 20.0.2-5ubuntu1.11+esm2, 20.0.2-5ubuntu1.11+esm3, 20.0.2-5ubuntu1.11+esm4, 20.0.2-5ubuntu1.3, 20.0.2-5ubuntu1.4, 20.0.2-5ubuntu1.5, 20.0.2-5ubuntu1.6, 20.0.2-5ubuntu1.7, 20.0.2-5ubuntu1.8, 20.0.2-5ubuntu1.9, 20.3.4-4, 21.3.1+dfsg-3, 22.0.2+dfsg-1, 22.0.2+dfsg-1ubuntu0.1, 22.0.2+dfsg-1ubuntu0.2, 22.0.2+dfsg-1ubuntu0.3, 22.0.2+dfsg-1ubuntu0.4, 22.0.2+dfsg-1ubuntu0.5, 22.0.2+dfsg-1ubuntu0.6, 22.0.2+dfsg-1ubuntu0.7, 22.0.2+dfsg-1ubuntu0.7+esm1, 22.0.2+dfsg-1ubuntu0.7+esm2, 22.0.2+dfsg-1ubuntu0.7+esm3, 23.2+dfsg-1, 23.3+dfsg-1, 24.0+dfsg-1, 24.0+dfsg-1ubuntu1, 24.0+dfsg-1ubuntu1.1, 24.0+dfsg-1ubuntu1.2, 24.0+dfsg-1ubuntu1.3, 24.0+dfsg-1ubuntu1.3+esm1, 24.0+dfsg-1ubuntu1.3+esm2, 24.0+dfsg-1ubuntu1.3+esm3, 25.0+dfsg-1, 25.1.1+dfsg-1, 25.1.1+dfsg-1ubuntu1, 25.1.1+dfsg-1ubuntu2, 25.1.1+dfsg-1ubuntu2+esm1, 25.1.1+dfsg-1ubuntu2+esm2, 25.1.1+dfsg-1ubuntu2+esm3, 26.1.2+dfsg-1, 8.0.2-7, 8.0.3-1, 8.0.3-2, 8.1.0-1, 8.1.0-2, 8.1.1-1, 8.1.1-2, 8.1.1-2ubuntu0.1, 8.1.1-2ubuntu0.2, 8.1.1-2ubuntu0.4, 8.1.1-2ubuntu0.6, 8.1.1-2ubuntu0.6+esm10, 8.1.1-2ubuntu0.6+esm11, 8.1.1-2ubuntu0.6+esm12, 8.1.1-2ubuntu0.6+esm2, 8.1.1-2ubuntu0.6+esm3, 8.1.1-2ubuntu0.6+esm4, 8.1.1-2ubuntu0.6+esm5, 8.1.1-2ubuntu0.6+esm6, 8.1.1-2ubuntu0.6+esm8, 9.0.1-2, 9.0.1-2.3~ubuntu1, 9.0.1-2.3~ubuntu1.18.04.1, 9.0.1-2.3~ubuntu1.18.04.2, 9.0.1-2.3~ubuntu1.18.04.3, 9.0.1-2.3~ubuntu1.18.04.4, 9.0.1-2.3~ubuntu1.18.04.5, 9.0.1-2.3~ubuntu1.18.04.5+esm2, 9.0.1-2.3~ubuntu1.18.04.5+esm3, 9.0.1-2.3~ubuntu1.18.04.6, 9.0.1-2.3~ubuntu1.18.04.6+esm1, 9.0.1-2.3~ubuntu1.18.04.7, 9.0.1-2.3~ubuntu1.18.04.7+esm1, 9.0.1-2.3~ubuntu1.18.04.8, 9.0.1-2.3~ubuntu1.18.04.8+esm1, 9.0.1-2.3~ubuntu1.18.04.8+esm2, 9.0.1-2.3~ubuntu1.18.04.8+esm4, 9.0.1-2.3~ubuntu1.18.04.8+esm6, 9.0.1-2.3~ubuntu1.18.04.8+esm7, 9.0.1-2.3~ubuntu1.18.04.8+esm8
- Fixed versions
- Not specified
- CVEs
- CVE-2026-3219
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:25 UTC · Revision 1
Source evidence
pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing "incorrect" files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.
osv:UBUNTU-CVE-2026-3219
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
python-pip
Fixed versions: Not specified
Complete source record
{
"id": "9fbc12a1d03da6d202bc95cfd1726903a56d0608ca62911163096410cd788aad",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-3219",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-3219",
"summary": "pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file. This behavior could result in confusing installation behavior, such as installing \"incorrect\" files according to the filename of the archive. New behavior only proceeds with installation if the file identifies uniquely as a ZIP or tar archive, not as both.",
"evidence": "osv:UBUNTU-CVE-2026-3219",
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{
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{
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"evidence": "/affected/0/versions"
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{
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{
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{
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{
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{
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{
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{
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"evidence": "/affected/1/versions"
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{
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{
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{
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{
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{
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{
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{
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"evidence": "/affected/1/versions"
},
{
"value": "8.1.1-2ubuntu0.1",
"evidence": "/affected/1/versions"
},
{
"value": "8.1.1-2ubuntu0.2",
"evidence": "/affected/1/versions"
},
{
"value": "8.1.1-2ubuntu0.4",
"evidence": "/affected/1/versions"
},
{
"value": "8.1.1-2ubuntu0.6",
"evidence": "/affected/1/versions"
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{
"value": "8.1.1-2ubuntu0.6+esm2",
"evidence": "/affected/1/versions"
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{
"value": "8.1.1-2ubuntu0.6+esm3",
"evidence": "/affected/1/versions"
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{
"value": "8.1.1-2ubuntu0.6+esm4",
"evidence": "/affected/1/versions"
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{
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{
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"evidence": "/affected/1/versions"
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{
"value": "8.1.1-2ubuntu0.6+esm8",
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{
"value": "8.1.1-2ubuntu0.6+esm10",
"evidence": "/affected/1/versions"
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{
"value": "8.1.1-2ubuntu0.6+esm11",
"evidence": "/affected/1/versions"
},
{
"value": "8.1.1-2ubuntu0.6+esm12",
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}
]
},
{
"name": {
"value": "python-pip",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "9.0.1-2",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1",
"evidence": "/affected/2/versions"
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{
"value": "9.0.1-2.3~ubuntu1.18.04.1",
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{
"value": "9.0.1-2.3~ubuntu1.18.04.2",
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{
"value": "9.0.1-2.3~ubuntu1.18.04.3",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.4",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.5",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.5+esm2",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.5+esm3",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.6",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.6+esm1",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.7",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.7+esm1",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.8",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.8+esm1",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.8+esm2",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.8+esm4",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.8+esm6",
"evidence": "/affected/2/versions"
},
{
"value": "9.0.1-2.3~ubuntu1.18.04.8+esm7",
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{
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{
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{
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{
"value": "18.1-5ubuntu1",
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},
{
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"evidence": "/affected/3/versions"
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{
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"evidence": "/affected/3/versions"
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{
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"evidence": "/affected/3/versions"
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{
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{
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{
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{
"value": "20.0.2-5ubuntu1.4",
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{
"value": "20.0.2-5ubuntu1.5",
"evidence": "/affected/3/versions"
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{
"value": "20.0.2-5ubuntu1.6",
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{
"value": "20.0.2-5ubuntu1.7",
"evidence": "/affected/3/versions"
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{
"value": "20.0.2-5ubuntu1.8",
"evidence": "/affected/3/versions"
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{
"value": "20.0.2-5ubuntu1.9",
"evidence": "/affected/3/versions"
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{
"value": "20.0.2-5ubuntu1.10",
"evidence": "/affected/3/versions"
},
{
"value": "20.0.2-5ubuntu1.10+esm2",
"evidence": "/affected/3/versions"
},
{
"value": "20.0.2-5ubuntu1.11",
"evidence": "/affected/3/versions"
},
{
"value": "20.0.2-5ubuntu1.11+esm2",
"evidence": "/affected/3/versions"
},
{
"value": "20.0.2-5ubuntu1.11+esm3",
"evidence": "/affected/3/versions"
},
{
"value": "20.0.2-5ubuntu1.11+esm4",
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},
{
"name": {
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},
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"affected_versions": [
{
"value": "20.3.4-4",
"evidence": "/affected/4/versions"
},
{
"value": "21.3.1+dfsg-3",
"evidence": "/affected/4/versions"
},
{
"value": "22.0.2+dfsg-1",
"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
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{
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{
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{
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{
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{
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{
"value": "24.0+dfsg-1ubuntu1.3",
"evidence": "/affected/5/versions"
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{
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{
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{
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},
{
"name": {
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},
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{
"value": "25.0+dfsg-1",
"evidence": "/affected/6/versions"
},
{
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"evidence": "/affected/6/versions"
},
{
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"evidence": "/affected/6/versions"
},
{
"value": "25.1.1+dfsg-1ubuntu2",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
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"evidence": "/affected/7/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "25.1.1+dfsg-1ubuntu2",
"evidence": "/affected/7/versions"
},
{
"value": "26.1.2+dfsg-1",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "python-pip",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "25.1.1+dfsg-1ubuntu2",
"evidence": "/affected/8/versions"
},
{
"value": "25.1.1+dfsg-1ubuntu2+esm1",
"evidence": "/affected/8/versions"
},
{
"value": "25.1.1+dfsg-1ubuntu2+esm2",
"evidence": "/affected/8/versions"
},
{
"value": "25.1.1+dfsg-1ubuntu2+esm3",
"evidence": "/affected/8/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-3219",
"aliases": [
"UBUNTU-CVE-2026-3219"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "python-pip",
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"ecosystem": "Ubuntu:Pro:14.04:LTS"
},
"versions": [
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"1.5.4-1",
"1.5.4-1ubuntu1",
"1.5.4-1ubuntu3",
"1.5.4-1ubuntu4",
"1.5.4-1ubuntu4+esm1",
"1.5.4-1ubuntu4+esm2",
"1.5.4-1ubuntu4+esm3",
"1.5.4-1ubuntu4+esm4",
"1.5.4-1ubuntu4+esm5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3219.json"
},
"ecosystem_specific": {
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{
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},
{
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},
{
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}
]
}
},
{
"ranges": [
{
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"events": [
{
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}
]
}
],
"package": {
"name": "python-pip",
"purl": "pkg:deb/ubuntu/python-pip?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"1.5.6-7ubuntu1",
"1.5.6-7ubuntu2",
"8.0.2-7",
"8.0.3-1",
"8.0.3-2",
"8.1.0-1",
"8.1.0-2",
"8.1.1-1",
"8.1.1-2",
"8.1.1-2ubuntu0.1",
"8.1.1-2ubuntu0.2",
"8.1.1-2ubuntu0.4",
"8.1.1-2ubuntu0.6",
"8.1.1-2ubuntu0.6+esm2",
"8.1.1-2ubuntu0.6+esm3",
"8.1.1-2ubuntu0.6+esm4",
"8.1.1-2ubuntu0.6+esm5",
"8.1.1-2ubuntu0.6+esm6",
"8.1.1-2ubuntu0.6+esm8",
"8.1.1-2ubuntu0.6+esm10",
"8.1.1-2ubuntu0.6+esm11",
"8.1.1-2ubuntu0.6+esm12"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3219.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "python-pip",
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},
{
"binary_name": "python-pip-whl",
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},
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}
},
{
"ranges": [
{
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{
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}
]
}
],
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],
"modified": "2026-10-17T12:54:42.016519844Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2026-3219",
"https://www.cve.org/CVERecord?id=CVE-2026-3219",
"https://mail.python.org/archives/list/security-announce@python.org/thread/QAJ5JIVWWCAJ4EZL2FP5MOOW35JS7LRJ/",
"https://github.com/pypa/pip/pull/13870"
]
},
"related_cves": [
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"value": "CVE-2026-3219",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353536,
"published_at": "2026-04-20T16:16:00+00:00"
}