CVE-2026-81102

Source
https://cve.org/CVERecord?id=CVE-2026-81102
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81102.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-81102
Published
2026-08-27T14:50:41Z
Modified
2026-10-08T02:52:04Z
Severity
  • 2.3 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Dropbox Dash MCP Server DNS Rebinding via Missing Host Header Validation
Details

The Dash MCP server bound its listener to the loopback address but never checked the host a request named. src/mcp_server_dash.py constructed the server for its network mode with the interface restricted to loopback and no transport-security settings, so a name that had been pointed at the loopback address still reached the listener while carrying the attacker's host name. A page in a visitor's browser could therefore drive the local server and invoke its company-search and file-detail tools under the Dropbox credential the server holds. Only the network mode was reachable this way; the standard input mode was not. The fix supplies transport-security settings that enable host checking and allow only the loopback name and port, rejecting other hosts before a tool runs. The repository publishes no versions, so the affected boundary is the commit preceding the fix.

Database specific
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-346"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81102.json"
}
References

Affected packages

Git / github.com/dropbox/mcp-server-dash

Affected ranges

Type
GIT
Repo
https://github.com/dropbox/mcp-server-dash
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81102.json"