CVE-2026-46413 (GCVE-0-2026-46413)
Vulnerability from cvelistv5
Published
2026-07-09 21:55
Modified
2026-07-10 14:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-862 - Missing Authorization
Summary
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, regular users could route direct S3 multipart uploads through ExternalUploadManager into the admin backup store. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
References
| URL | Tags | |
|---|---|---|
|
|
||
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-46413",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-10T14:32:30.407572Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-10T14:32:39.498Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "discourse",
"vendor": "discourse",
"versions": [
{
"status": "affected",
"version": "\u003e= 2026.1.0-latest, \u003c 2026.1.5"
},
{
"status": "affected",
"version": "\u003e= 2026.4.0-latest, \u003c 2026.4.2"
},
{
"status": "affected",
"version": "\u003e= 2026.5.0-latest, \u003c 2026.5.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, regular users could route direct S3 multipart uploads through ExternalUploadManager into the admin backup store. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862: Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-09T21:55:45.096Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/discourse/discourse/security/advisories/GHSA-3mvf-q9rg-w6m7",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/discourse/discourse/security/advisories/GHSA-3mvf-q9rg-w6m7"
},
{
"name": "https://github.com/discourse/discourse/commit/1f1ded8dd361d81786bff17b35e1138d6ee299c0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/commit/1f1ded8dd361d81786bff17b35e1138d6ee299c0"
},
{
"name": "https://github.com/discourse/discourse/commit/7ddde266617b452152c1bf5f903f6c07be38fc40",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/commit/7ddde266617b452152c1bf5f903f6c07be38fc40"
},
{
"name": "https://github.com/discourse/discourse/commit/a53df26dcf7e50ce2b20bfd5454a0c9d44b8fc7d",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/commit/a53df26dcf7e50ce2b20bfd5454a0c9d44b8fc7d"
},
{
"name": "https://github.com/discourse/discourse/commit/abaa664c5df84026efb2ca264ba0f5586c3f2b01",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/commit/abaa664c5df84026efb2ca264ba0f5586c3f2b01"
},
{
"name": "https://github.com/discourse/discourse/releases/tag/v2026.1.5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/releases/tag/v2026.1.5"
},
{
"name": "https://github.com/discourse/discourse/releases/tag/v2026.4.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/releases/tag/v2026.4.2"
},
{
"name": "https://github.com/discourse/discourse/releases/tag/v2026.5.1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/releases/tag/v2026.5.1"
},
{
"name": "https://github.com/discourse/discourse/releases/tag/v2026.6.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/discourse/discourse/releases/tag/v2026.6.0"
}
],
"source": {
"advisory": "GHSA-3mvf-q9rg-w6m7",
"discovery": "UNKNOWN"
},
"title": "Discourse: Regular users can route multipart uploads into the admin backup store"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-46413",
"datePublished": "2026-07-09T21:55:45.096Z",
"dateReserved": "2026-05-13T21:04:10.933Z",
"dateUpdated": "2026-07-10T14:32:39.498Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-46413\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-10T14:32:30.407572Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-10T14:32:34.505Z\"}}], \"cna\": {\"title\": \"Discourse: Regular users can route multipart uploads into the admin backup store\", \"source\": {\"advisory\": \"GHSA-3mvf-q9rg-w6m7\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"discourse\", \"product\": \"discourse\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003e= 2026.1.0-latest, \u003c 2026.1.5\"}, {\"status\": \"affected\", \"version\": \"\u003e= 2026.4.0-latest, \u003c 2026.4.2\"}, {\"status\": \"affected\", \"version\": \"\u003e= 2026.5.0-latest, \u003c 2026.5.1\"}]}], \"references\": [{\"url\": \"https://github.com/discourse/discourse/security/advisories/GHSA-3mvf-q9rg-w6m7\", \"name\": \"https://github.com/discourse/discourse/security/advisories/GHSA-3mvf-q9rg-w6m7\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/discourse/discourse/commit/1f1ded8dd361d81786bff17b35e1138d6ee299c0\", \"name\": \"https://github.com/discourse/discourse/commit/1f1ded8dd361d81786bff17b35e1138d6ee299c0\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/discourse/discourse/commit/7ddde266617b452152c1bf5f903f6c07be38fc40\", \"name\": \"https://github.com/discourse/discourse/commit/7ddde266617b452152c1bf5f903f6c07be38fc40\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/discourse/discourse/commit/a53df26dcf7e50ce2b20bfd5454a0c9d44b8fc7d\", \"name\": \"https://github.com/discourse/discourse/commit/a53df26dcf7e50ce2b20bfd5454a0c9d44b8fc7d\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/discourse/discourse/commit/abaa664c5df84026efb2ca264ba0f5586c3f2b01\", \"name\": \"https://github.com/discourse/discourse/commit/abaa664c5df84026efb2ca264ba0f5586c3f2b01\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/discourse/discourse/releases/tag/v2026.1.5\", \"name\": \"https://github.com/discourse/discourse/releases/tag/v2026.1.5\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/discourse/discourse/releases/tag/v2026.4.2\", \"name\": \"https://github.com/discourse/discourse/releases/tag/v2026.4.2\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/discourse/discourse/releases/tag/v2026.5.1\", \"name\": \"https://github.com/discourse/discourse/releases/tag/v2026.5.1\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/discourse/discourse/releases/tag/v2026.6.0\", \"name\": \"https://github.com/discourse/discourse/releases/tag/v2026.6.0\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, regular users could route direct S3 multipart uploads through ExternalUploadManager into the admin backup store. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-862\", \"description\": \"CWE-862: Missing Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-07-09T21:55:45.096Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-46413\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-10T14:32:39.498Z\", \"dateReserved\": \"2026-05-13T21:04:10.933Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-07-09T21:55:45.096Z\", \"assignerShortName\": \"GitHub_M\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…