128 lines
5.1 KiB
JSON
128 lines
5.1 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-46713",
|
|
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "GitHub_M",
|
|
"dateReserved": "2026-05-15T23:26:58.309Z",
|
|
"datePublished": "2026-08-03T21:37:45.657Z",
|
|
"dateUpdated": "2026-08-04T15:44:53.013Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"title": "Misskey: JSON-LD signature validation + compaction may lead to improper activity handling",
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"cweId": "CWE-347",
|
|
"lang": "en",
|
|
"description": "CWE-347: Improper Verification of Cryptographic Signature",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV4_0": {
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"attackRequirements": "NONE",
|
|
"privilegesRequired": "NONE",
|
|
"userInteraction": "NONE",
|
|
"vulnConfidentialityImpact": "LOW",
|
|
"vulnIntegrityImpact": "HIGH",
|
|
"vulnAvailabilityImpact": "NONE",
|
|
"subConfidentialityImpact": "NONE",
|
|
"subIntegrityImpact": "HIGH",
|
|
"subAvailabilityImpact": "NONE",
|
|
"baseScore": 9.2,
|
|
"baseSeverity": "CRITICAL",
|
|
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:H/SA:N",
|
|
"version": "4.0"
|
|
}
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"name": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-w8x2-gpq6-jxvf",
|
|
"tags": [
|
|
"x_refsource_CONFIRM"
|
|
],
|
|
"url": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-w8x2-gpq6-jxvf"
|
|
},
|
|
{
|
|
"name": "https://github.com/misskey-dev/misskey/releases/tag/2026.5.4",
|
|
"tags": [
|
|
"x_refsource_MISC"
|
|
],
|
|
"url": "https://github.com/misskey-dev/misskey/releases/tag/2026.5.4"
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "misskey-dev",
|
|
"product": "misskey",
|
|
"versions": [
|
|
{
|
|
"version": ">= 12.37.0, < 2026.5.4",
|
|
"status": "affected"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
|
|
"shortName": "GitHub_M",
|
|
"dateUpdated": "2026-08-03T21:44:56.164Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4, contain a vulnerability in the JSON-LD signature validation and compaction process that allows spoofed activities to be accepted as valid. This issue has been fixed in version 2026.5.4."
|
|
}
|
|
],
|
|
"source": {
|
|
"advisory": "GHSA-w8x2-gpq6-jxvf",
|
|
"discovery": "UNKNOWN"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-08-04T15:44:21.423574Z",
|
|
"id": "CVE-2026-46713",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-08-04T15:44:53.013Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |