High
Security advisory
In Chris Walz bit before 1.0.5 on Windows, attackers can run arbitrary code via a .exe file in a crafted repository.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-28954
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:16 UTC · Revision 1
Source evidence
In Chris Walz bit before 1.0.5 on Windows, attackers can run arbitrary code via a .exe file in a crafted repository.
osv:CVE-2021-28954
Complete source record
{
"id": "ff8ef27bface54f78b363c02915b3b20fa322cec12add557c427404034603eda",
"url": "https://osv.dev/vulnerability/CVE-2021-28954",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-28954",
"summary": "In Chris Walz bit before 1.0.5 on Windows, attackers can run arbitrary code via a .exe file in a crafted repository.",
"evidence": "osv:CVE-2021-28954",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-28954",
"aliases": [
"CVE-2021-28954"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/chriswalz/bit",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "6cb6e95d234c2d0ff256ada302e666903534cc91"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:bit_project:bit:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.0.5"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "6cb6e95d234c2d0ff256ada302e666903534cc91"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.0.5"
}
]
}
}
],
"versions": [
"v1.0.4",
"v1.0.3",
"v1.0.2",
"v1.0.1",
"v1.0.0",
"v0.9.16",
"v0.9.15",
"v0.9.14",
"v0.9.13",
"v0.9.12",
"v0.9.11",
"v0.9.10",
"v0.9.9",
"v0.9.8",
"v0.9.7",
"v0.9.6",
"v0.9.5",
"v0.9.4",
"v0.9.3",
"v0.9.2",
"v0.9.1",
"v0.9.0",
"v0.8.10",
"v0.8.9",
"v0.8.5",
"v0.8.4",
"v0.8.3",
"v0.8.2",
"v0.8.1",
"v0.8.0",
"v0.7.7",
"v0.7.6",
"v0.7.5",
"v0.7.4",
"v0.7.3",
"v0.7.2",
"v0.7.1",
"v0.7.0",
"v0.6.17",
"v0.6.16",
"v0.6.15",
"v0.6.14",
"v0.6.13",
"v0.6.12",
"v0.6.11",
"v0.6.10",
"v0.6.9",
"v0.6.8",
"v0.6.7",
"v0.6.6",
"v0.6.5",
"v0.6.2",
"v0.6.1",
"v0.6.0",
"v0.5.14",
"v0.5.13",
"v0.5.12",
"v0.5.11",
"v0.5.10",
"v0.5.9",
"v0.5.8",
"v0.5.7",
"v0.5.6",
"v0.5.5",
"v0.5.4",
"v0.5.3",
"v0.5.2",
"v0.5.1",
"v0.4.20",
"v0.4.19",
"v0.4.18",
"v0.4.17",
"v0.4.16",
"v0.4.15",
"v0.4.14",
"v0.4.12",
"v0.4.11",
"v0.4.10",
"v0.4.9",
"v0.4.8",
"v0.4.7",
"v0.4.6",
"v0.4.5",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.4.0",
"v0.3.26",
"v0.3.15",
"v0.3.14",
"v0.3.13",
"v0.3.12",
"v0.3.11",
"v0.3.10",
"v0.3.9",
"v0.3.8",
"v0.3.7",
"0.3.6",
"'0.3.5'",
"'0.3.4'",
"0.3.4",
"v0.3.3",
"v0.3.2",
"v0.3.1",
"v0.2.4",
"0.2.4",
"v0.2.3",
"v0.2.2",
"v0.2.1",
"v0.2.0",
"v0.1-beta"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28954.json"
}
}
],
"modified": "2026-10-20T10:53:42.549554408Z",
"provider": "osv",
"references": [
"https://github.com/chriswalz/bit/releases/tag/v1.0.5",
"https://vuln.ryotak.me/advisories/17"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-28954",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384523,
"published_at": "2021-03-21T05:15:13.29+00:00"
}