CVE-2026-81421ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery
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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.
- CVSS
- 7.3 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ddfourtwo sentry-selfhosted-mcp ddfourtwo:sentry-selfhosted-mcp | 0.4.0 | CNA record |
References
- https://vuldb.com/vuln/395941vdb-entry, technical-description
- https://vuldb.com/vuln/395941/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-81421third-party-advisory
- https://vuldb.com/submit/887100third-party-advisory
- https://github.com/ddfourtwo/sentry-selfhosted-mcp/issues/2exploit, issue-tracking
- https://github.com/ddfourtwo/sentry-selfhosted-mcp/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.