High
Security advisory
Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-47986, CVE-2021-47987
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:04 UTC · Revision 1
Source evidence
Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.
osv:CVE-2021-47986
Complete source record
{
"id": "a1ff9b6ccbb1d82d5dbe473622364654c8be9dd0561a2d248677c2074d4de53b",
"url": "https://osv.dev/vulnerability/CVE-2021-47986",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-47986",
"summary": "Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.",
"evidence": "osv:CVE-2021-47986",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-47986",
"aliases": [
"BIT-parse-2021-47986",
"BIT-parse-2021-47987",
"CVE-2021-47986",
"CVE-2021-47987",
"GHSA-593v-wcqx-hq2w"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/parse-community/parse-server",
"type": "GIT",
"events": [
{
"introduced": "01bbfd7b43e21fbf365b4de06038a3d34fbbaa24"
},
{
"last_affected": "c098889eebead744546bc78b13d31b86d95f6d02"
}
],
"database_specific": {
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{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.3:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.3"
},
{
"last_affected": "4.0.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.4:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.4"
},
{
"last_affected": "4.0.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.6:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.6"
},
{
"last_affected": "4.0.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.7:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.7"
},
{
"last_affected": "4.0.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.8:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.8"
},
{
"last_affected": "4.0.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.9:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.9"
},
{
"last_affected": "4.0.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.10:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.10"
},
{
"last_affected": "4.0.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.11:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.11"
},
{
"last_affected": "4.0.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.12:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.12"
},
{
"last_affected": "4.0.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.13:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.13"
},
{
"last_affected": "4.0.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.0.14:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.14"
},
{
"last_affected": "4.0.14"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.6.0:-:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.6.0-NA"
},
{
"last_affected": "4.6.0-NA"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.7.0:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.7.0"
},
{
"last_affected": "4.7.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.8.0:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.8.0"
},
{
"last_affected": "4.8.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.8.1:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.8.1"
},
{
"last_affected": "4.8.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.8.2:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.8.2"
},
{
"last_affected": "4.8.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.8.3:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.8.3"
},
{
"last_affected": "4.8.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.8.4:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.8.4"
},
{
"last_affected": "4.8.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.8.5:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.8.5"
},
{
"last_affected": "4.8.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.9.0:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.9.0"
},
{
"last_affected": "4.9.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.9.1:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.9.1"
},
{
"last_affected": "4.9.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.9.2:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.9.2"
},
{
"last_affected": "4.9.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:4.9.3:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.9.3"
},
{
"last_affected": "4.9.3"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"4.0.10",
"4.0.11",
"4.0.12",
"4.0.13",
"4.0.14",
"4.0.3",
"4.0.4",
"4.0.6",
"4.0.7",
"4.0.8",
"4.0.9",
"4.6.0-NA",
"4.7.0",
"4.8.0",
"4.8.1",
"4.8.2",
"4.8.3",
"4.8.4",
"4.8.5",
"4.9.0",
"4.9.1",
"4.9.2",
"4.9.3",
"4.6.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47986.json"
}
}
],
"modified": "2026-10-20T10:55:12.135583233Z",
"provider": "osv",
"references": [
"https://github.com/parse-community/parse-server/security/advisories/GHSA-593v-wcqx-hq2w",
"https://www.vulncheck.com/advisories/parse-server-unreviewed-code-execution-via-malicious-version-tags"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:parseplatform:parse-server:4.0.0:beta1:*:*:*:node.js:*:*",
"cpe:2.3:a:parseplatform:parse-server:4.0.0:beta2:*:*:*:node.js:*:*",
"cpe:2.3:a:parseplatform:parse-server:4.0.0:beta3:*:*:*:node.js:*:*",
"cpe:2.3:a:parseplatform:parse-server:4.0.0:beta4:*:*:*:node.js:*:*",
"cpe:2.3:a:parseplatform:parse-server:4.0.0:beta5:*:*:*:node.js:*:*",
"cpe:2.3:a:parseplatform:parse-server:4.0.0:beta6:*:*:*:node.js:*:*",
"cpe:2.3:a:parseplatform:parse-server:4.6.0:beta:*:*:*:node.js:*:*"
],
"vendor_product": "parseplatform:parse-server",
"extracted_events": [
{
"range": [
{
"introduced": "4.0.0-beta1"
},
{
"last_affected": "4.0.0-beta1"
},
{
"introduced": "4.0.0-beta2"
},
{
"last_affected": "4.0.0-beta2"
},
{
"introduced": "4.0.0-beta3"
},
{
"last_affected": "4.0.0-beta3"
},
{
"introduced": "4.0.0-beta4"
},
{
"last_affected": "4.0.0-beta4"
},
{
"introduced": "4.0.0-beta5"
},
{
"last_affected": "4.0.0-beta5"
},
{
"introduced": "4.0.0-beta6"
},
{
"last_affected": "4.0.0-beta6"
},
{
"introduced": "4.6.0-beta"
},
{
"last_affected": "4.6.0-beta"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-47986",
"evidence": "/id"
},
{
"value": "CVE-2021-47987",
"evidence": "/aliases"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387061,
"published_at": "2026-06-25T22:16:58.21+00:00"
}