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4 vulnerabilities by sdcb
CVE-2026-82906 (GCVE-0-2026-82906)
Vulnerability from nvd – Published: 2026-08-31 20:00 – Updated: 2026-08-31 20:00
VLAI
EPSS
VEX
Title
sdcb chats Signed File Download Endpoint FileController.cs DownloadPublic missing authentication
Summary
A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397286 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397286/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82906 | third-party-advisory |
| https://vuldb.com/submit/877767 | third-party-advisory |
| https://github.com/yaowenxiao721/Poc/blob/main/sd… | exploit |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:sdcb:chats:*:*:*:*:*:*:*:*"
],
"modules": [
"Signed File Download Endpoint"
],
"product": "chats",
"vendor": "sdcb",
"versions": [
{
"status": "affected",
"version": "1.0"
},
{
"status": "affected",
"version": "1.1"
},
{
"status": "affected",
"version": "1.2"
},
{
"status": "affected",
"version": "1.3"
},
{
"status": "affected",
"version": "1.4"
},
{
"status": "affected",
"version": "1.5"
},
{
"status": "affected",
"version": "1.6"
},
{
"status": "affected",
"version": "1.7"
},
{
"status": "affected",
"version": "1.8"
},
{
"status": "affected",
"version": "1.9"
},
{
"status": "affected",
"version": "1.10"
},
{
"status": "affected",
"version": "1.11"
},
{
"status": "affected",
"version": "1.12.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "yaowenxiao (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack\u0027s complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
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"baseSeverity": "MEDIUM",
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"version": "4.0"
}
},
{
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"baseSeverity": "LOW",
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},
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"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "Missing Authentication",
"lang": "en",
"type": "CWE"
}
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},
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "Improper Authentication",
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}
]
}
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{
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"technical-description"
],
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},
{
"name": "VDB-397286 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/397286/cti"
},
{
"name": "CVE-2026-82906 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-82906"
},
{
"name": "Submit #877767 | sdcb chats 1.12.0 Missing Authorization",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/877767"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/yaowenxiao721/Poc/blob/main/sdcb-chats/chats-poc-2.md"
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"time": "2026-08-31T11:51:43.000Z",
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}
],
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CVE-2026-82905 (GCVE-0-2026-82905)
Vulnerability from nvd – Published: 2026-08-31 19:45 – Updated: 2026-08-31 21:57
VLAI
EPSS
VEX
Title
sdcb chats fetch-tools Endpoint McpController.cs McpController server-side request forgery
Summary
A vulnerability was detected in sdcb chats up to 1.12.0. This affects the function McpController of the file src/BE/web/Controllers/Users/Mcps/McpController.cs of the component fetch-tools Endpoint. The manipulation results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 21:50 UTC
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397285 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397285/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82905 | third-party-advisory |
| https://vuldb.com/submit/877764 | third-party-advisory |
| https://github.com/yaowenxiao721/Poc/blob/main/sd… | exploit |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
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"options": [
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},
{
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},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-31T21:50:14.858291Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-31T21:57:50.021Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:sdcb:chats:*:*:*:*:*:*:*:*"
],
"modules": [
"fetch-tools Endpoint"
],
"product": "chats",
"vendor": "sdcb",
"versions": [
{
"status": "affected",
"version": "1.0"
},
{
"status": "affected",
"version": "1.1"
},
{
"status": "affected",
"version": "1.2"
},
{
"status": "affected",
"version": "1.3"
},
{
"status": "affected",
"version": "1.4"
},
{
"status": "affected",
"version": "1.5"
},
{
"status": "affected",
"version": "1.6"
},
{
"status": "affected",
"version": "1.7"
},
{
"status": "affected",
"version": "1.8"
},
{
"status": "affected",
"version": "1.9"
},
{
"status": "affected",
"version": "1.10"
},
{
"status": "affected",
"version": "1.11"
},
{
"status": "affected",
"version": "1.12.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "yaowenxiao (VulDB User)"
},
{
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"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
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}
],
"metrics": [
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}
},
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},
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},
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CVE-2026-82906 (GCVE-0-2026-82906)
Vulnerability from cvelistv5 – Published: 2026-08-31 20:00 – Updated: 2026-08-31 20:00
VLAI
EPSS
VEX
Title
sdcb chats Signed File Download Endpoint FileController.cs DownloadPublic missing authentication
Summary
A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397286 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397286/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82906 | third-party-advisory |
| https://vuldb.com/submit/877767 | third-party-advisory |
| https://github.com/yaowenxiao721/Poc/blob/main/sd… | exploit |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:sdcb:chats:*:*:*:*:*:*:*:*"
],
"modules": [
"Signed File Download Endpoint"
],
"product": "chats",
"vendor": "sdcb",
"versions": [
{
"status": "affected",
"version": "1.0"
},
{
"status": "affected",
"version": "1.1"
},
{
"status": "affected",
"version": "1.2"
},
{
"status": "affected",
"version": "1.3"
},
{
"status": "affected",
"version": "1.4"
},
{
"status": "affected",
"version": "1.5"
},
{
"status": "affected",
"version": "1.6"
},
{
"status": "affected",
"version": "1.7"
},
{
"status": "affected",
"version": "1.8"
},
{
"status": "affected",
"version": "1.9"
},
{
"status": "affected",
"version": "1.10"
},
{
"status": "affected",
"version": "1.11"
},
{
"status": "affected",
"version": "1.12.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "yaowenxiao (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack\u0027s complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
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"signature",
"permissions-required"
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"tags": [
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{
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"third-party-advisory"
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"time": "2026-08-31T11:51:43.000Z",
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"cveId": "CVE-2026-82906",
"datePublished": "2026-08-31T20:00:10.019Z",
"dateReserved": "2026-08-31T09:46:30.626Z",
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CVE-2026-82905 (GCVE-0-2026-82905)
Vulnerability from cvelistv5 – Published: 2026-08-31 19:45 – Updated: 2026-08-31 21:57
VLAI
EPSS
VEX
Title
sdcb chats fetch-tools Endpoint McpController.cs McpController server-side request forgery
Summary
A vulnerability was detected in sdcb chats up to 1.12.0. This affects the function McpController of the file src/BE/web/Controllers/Users/Mcps/McpController.cs of the component fetch-tools Endpoint. The manipulation results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 21:50 UTC
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397285 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397285/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82905 | third-party-advisory |
| https://vuldb.com/submit/877764 | third-party-advisory |
| https://github.com/yaowenxiao721/Poc/blob/main/sd… | exploit |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82905",
"options": [
{
"Exploitation": "poc"
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