Critical
shiro — security advisory
Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.
- Products
- shiro
- Affected versions
- 1.3.2-5, 1.3.2-6
- Fixed versions
- Not specified
- CVEs
- CVE-2021-41303
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:50 UTC · Revision 1
Source evidence
Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.
osv:DEBIAN-CVE-2021-41303
shiro
Fixed versions: Not specified
shiro
Fixed versions: Not specified
shiro
Fixed versions: Not specified
Complete source record
{
"id": "4e9e69bf0704889d98aee472e6d86691099ce34488cf1869dbabc1e4607dbe34",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-41303",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-41303",
"summary": "Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.",
"evidence": "osv:DEBIAN-CVE-2021-41303",
"products": [
{
"name": {
"value": "shiro",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.2-5",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.2-6",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "shiro",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.2-6",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "shiro",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.2-6",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2021-41303",
"aliases": [
"DEBIAN-CVE-2021-41303"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "shiro",
"purl": "pkg:deb/debian/shiro?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.3.2-5",
"1.3.2-6"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41303.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "shiro",
"purl": "pkg:deb/debian/shiro?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.3.2-6"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41303.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "shiro",
"purl": "pkg:deb/debian/shiro?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.3.2-6"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41303.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:50.740856936Z",
"provider": "osv",
"upstream": [
"CVE-2021-41303"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-41303"
]
},
"related_cves": [
{
"value": "CVE-2021-41303",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 422442,
"published_at": "2021-09-17T09:15:09.267+00:00"
}