CVE-2026-81421
ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery
- State
- Published
- Severity
- 6.9 Medium
- Published
- Aug 26, 2026
- Updated
- Aug 27, 2026
- Reserved
- Aug 26, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 7.3 High | 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 | VulDB |
| 3.0 | 7.3 High | 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 | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
- CWE-918 Server-Side Request Forgery
Affected Products
| Product | Versions |
|---|---|
sentry-selfhosted-mcpddfourtwo |
|
References
- VDB-395941 | ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgeryvdb-entrytechnical-description
- VDB-395941 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-81421 | CVE Analysis and Reportthird-party-advisory
- Submit #887100 | ddfourtwo sentry-selfhosted-mcp 0.4.0 Server-Side Request Forgerythird-party-advisory
- https://github.com/ddfourtwo/sentry-selfhosted-mcp/issues/2exploitissue-tracking
- https://github.com/ddfourtwo/sentry-selfhosted-mcp/product
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