Search
Find a vulnerability
Search criteria
2 vulnerabilities by ddfourtwo
CVE-2026-81421 (GCVE-0-2026-81421)
Vulnerability from nvd – Published: 2026-08-26 23:45 – Updated: 2026-08-27 14:01
VLAI
EPSS
VEX
Title
ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery
Summary
A security flaw has been discovered in ddfourtwo sentry-selfhosted-mcp 0.4.0. The affected element is an unknown function of the component raw_sentry_api. The manipulation of the argument endpoint results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 14:01 UTC
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/395941 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/395941/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-81421 | third-party-advisory |
| https://vuldb.com/submit/887100 | third-party-advisory |
| https://github.com/ddfourtwo/sentry-selfhosted-mc… | exploitissue-tracking |
| https://github.com/ddfourtwo/sentry-selfhosted-mcp/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ddfourtwo | sentry-selfhosted-mcp |
Affected:
0.4.0
cpe:2.3:a:ddfourtwo:sentry-selfhosted-mcp:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-81421",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-27T14:01:22.764746Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-27T14:01:32.252Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:ddfourtwo:sentry-selfhosted-mcp:*:*:*:*:*:*:*:*"
],
"modules": [
"raw_sentry_api"
],
"product": "sentry-selfhosted-mcp",
"vendor": "ddfourtwo",
"versions": [
{
"status": "affected",
"version": "0.4.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "cccccccti (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in ddfourtwo sentry-selfhosted-mcp 0.4.0. The affected element is an unknown function of the component raw_sentry_api. The manipulation of the argument endpoint results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-918",
"description": "Server-Side Request Forgery",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-26T23:45:09.560Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-395941 | ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/395941"
},
{
"name": "VDB-395941 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/395941/cti"
},
{
"name": "CVE-2026-81421 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-81421"
},
{
"name": "Submit #887100 | ddfourtwo sentry-selfhosted-mcp 0.4.0 Server-Side Request Forgery",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/887100"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/ddfourtwo/sentry-selfhosted-mcp/issues/2"
},
{
"tags": [
"product"
],
"url": "https://github.com/ddfourtwo/sentry-selfhosted-mcp/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-08-26T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-08-26T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-08-26T21:10:51.000Z",
"value": "VulDB entry last update"
}
],
"title": "ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery",
"x_generator": [
"VulDB PVTS v202608"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-81421",
"datePublished": "2026-08-26T23:45:09.560Z",
"dateReserved": "2026-08-26T19:05:40.944Z",
"dateUpdated": "2026-08-27T14:01:32.252Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-81421 (GCVE-0-2026-81421)
Vulnerability from cvelistv5 – Published: 2026-08-26 23:45 – Updated: 2026-08-27 14:01
VLAI
EPSS
VEX
Title
ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery
Summary
A security flaw has been discovered in ddfourtwo sentry-selfhosted-mcp 0.4.0. The affected element is an unknown function of the component raw_sentry_api. The manipulation of the argument endpoint results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 14:01 UTC
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/395941 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/395941/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-81421 | third-party-advisory |
| https://vuldb.com/submit/887100 | third-party-advisory |
| https://github.com/ddfourtwo/sentry-selfhosted-mc… | exploitissue-tracking |
| https://github.com/ddfourtwo/sentry-selfhosted-mcp/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ddfourtwo | sentry-selfhosted-mcp |
Affected:
0.4.0
cpe:2.3:a:ddfourtwo:sentry-selfhosted-mcp:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-81421",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-27T14:01:22.764746Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-27T14:01:32.252Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:ddfourtwo:sentry-selfhosted-mcp:*:*:*:*:*:*:*:*"
],
"modules": [
"raw_sentry_api"
],
"product": "sentry-selfhosted-mcp",
"vendor": "ddfourtwo",
"versions": [
{
"status": "affected",
"version": "0.4.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "cccccccti (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in ddfourtwo sentry-selfhosted-mcp 0.4.0. The affected element is an unknown function of the component raw_sentry_api. The manipulation of the argument endpoint results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-918",
"description": "Server-Side Request Forgery",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-26T23:45:09.560Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-395941 | ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/395941"
},
{
"name": "VDB-395941 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/395941/cti"
},
{
"name": "CVE-2026-81421 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-81421"
},
{
"name": "Submit #887100 | ddfourtwo sentry-selfhosted-mcp 0.4.0 Server-Side Request Forgery",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/887100"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/ddfourtwo/sentry-selfhosted-mcp/issues/2"
},
{
"tags": [
"product"
],
"url": "https://github.com/ddfourtwo/sentry-selfhosted-mcp/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-08-26T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-08-26T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-08-26T21:10:51.000Z",
"value": "VulDB entry last update"
}
],
"title": "ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery",
"x_generator": [
"VulDB PVTS v202608"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-81421",
"datePublished": "2026-08-26T23:45:09.560Z",
"dateReserved": "2026-08-26T19:05:40.944Z",
"dateUpdated": "2026-08-27T14:01:32.252Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}