SEPTEMBER 18, 2026
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Case File

CVE-2026-81421

HIGH · CVSS 7.3 EPSS 0.29% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-27 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

A vulnerability in the raw_sentry_api component of ddfourtwo sentry-selfhosted-mcp version 0.4.0 allows for server-side request forgery (SSRF) due to improper handling of the endpoint argument. This flaw can be exploited remotely, potentially allowing attackers to manipulate server requests and access sensitive internal resources. Organizations using this software should prioritize immediate remediation efforts to mitigate the risk of exploitation, especially given that the exploit has been publicly released.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-81421
Severity
HIGH
CVSS
7.3
EPSS
0.29%

Original NVD 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.