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CVE-2026-32255 - Vulnerability Analysis

HighCVSS: 8.6

Last Updated: March 19, 2026

Kan - Server Side Request Forgery

Published: March 19, 2026Updated: March 19, 2026Remote Exploitable

Overview

Kan <= 0.5.4 contains a server-side request forgery caused by lack of authentication and URL validation in /api/download/attatchment endpoint, letting unauthenticated attackers make arbitrary HTTP requests from the server, exploit requires no authentication.

Severity & Score

Severity: High

CVSS Score: 8.6

Impact

Unauthenticated attackers can make arbitrary HTTP requests from the server, potentially accessing internal or cloud metadata services.

Mitigation

Upgrade to version 0.5.5 or later.

References

https://github.com/kanbn/kan/commit/53397d8e81dc1494d94132848c1f0416f1152bd7
https://github.com/kanbn/kan/releases/tag/v0.5.5
https://github.com/kanbn/kan/security/advisories/GHSA-qrx8-9hc6-jvqg

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-32255
Severity: High
CVSS Score: 8.6
Type: server_side_request_forgery
Status: new

CWE

CWE-918

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N