Critical
Security advisory
Calibre-Web 0.6.6 allows authentication bypass because of the 'A0Zr98j/3yX R~XHH!jmN]LWX/,?RT' hardcoded secret key.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-12627
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:50 UTC · Revision 1
Source evidence
Calibre-Web 0.6.6 allows authentication bypass because of the 'A0Zr98j/3yX R~XHH!jmN]LWX/,?RT' hardcoded secret key.
osv:CVE-2020-12627
Complete source record
{
"id": "61f1b4c4c2f0fe21a4f87cf4004ff6554dd3ba7c7297ae7916cef34027f2b5f9",
"url": "https://osv.dev/vulnerability/CVE-2020-12627",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-12627",
"summary": "Calibre-Web 0.6.6 allows authentication bypass because of the 'A0Zr98j/3yX R~XHH!jmN]LWX/,?RT' hardcoded secret key.",
"evidence": "osv:CVE-2020-12627",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-12627",
"aliases": [
"CVE-2020-12627"
],
"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": [
{
"repo": "https://github.com/janeczku/calibre-web",
"type": "GIT",
"events": [
{
"introduced": "24d755b12374bb3342e4b45ff3068ca78155e154"
},
{
"last_affected": "24d755b12374bb3342e4b45ff3068ca78155e154"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:janeczku:calibre-web:0.6.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.6.6"
},
{
"last_affected": "0.6.6"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.6.6"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12627.json"
}
}
],
"modified": "2026-10-20T10:51:49.048808600Z",
"provider": "osv",
"references": [
"https://github.com/janeczku/calibre-web/pull/1337"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-12627",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382992,
"published_at": "2020-05-04T03:15:10.917+00:00"
}