poc-cve-2026-32255

Kan SSRF via Attachment Download CVE-2026-32255 - Proof of Concept This repository contains a proof of concept POC for CVE-2026-32255 , a high-severity Server-Side Request Forgery SSRF vulnerability in Kan , an open-source project management tool. The vulnerable endpoint allows unauthenticated...

Kan <= 0.5.4 - Server-Side Request Forgery

Kan, an open-source project management tool Trello alternative, versions 0.5.4 and below are vulnerable to an unauthenticated Server-Side Request Forgery in the /api/download/attatchment endpoint. The endpoint passes the attacker-controlled url query parameter straight to a server-side fetch...

CVE-2026-110628

Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch to read internal services, localho...

CVE-2026-110628 Kan 0.5.5 through 0.6.0 Unauthenticated SSRF via /api/download/attatchment

Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch to read internal services, localho...

CVE-2026-110628

Versions 0.5.5 through 0.6.0 of Kan are vulnerable to an unauthenticated Server-Side Request Forgery (SSRF) . This vulnerability exists in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255 . If the S3_ENDPOINT environment variable is unset, an attacker can provide ar...

CVE-2026-110628 Kan 0.5.5 through 0.6.0 Unauthenticated SSRF via /api/download/attatchment

Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch to read internal services, localho...

EUVD-2026-101256

Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch to read internal services, localho...

CVE-2026-110628

Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch to read internal services, localho...

CVE-2026-110628: Server-Side Request Forgery (SSRF)

Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch to read internal services, localho...

VulnCheck KEV: CVE-2026-32255

Kan is an open-source project management tool. In versions 0.5.4 and below, the /api/download/attatchment endpoint has no authentication and no URL validation. The Attachment Download endpoint accepts a user-supplied URL query parameter and passes it directly to fetch server-side, and returns the...

CVE-2026-92802

kan through 0.6.0 fails to properly validate board creation permissions in the GitHub project import endpoint, allowing guests to create boards despite lacking board:create permission. Attackers can bypass authorization checks by using the importProjects mutation to create boards while remaining...

CVE-2026-92802 kan through 0.6.0 Authorization Bypass via GitHub Project Import

kan through 0.6.0 fails to properly validate board creation permissions in the GitHub project import endpoint, allowing guests to create boards despite lacking board:create permission. Attackers can bypass authorization checks by using the importProjects mutation to create boards while remaining...

CVE-2026-92802 kan through 0.6.0 Authorization Bypass via GitHub Project Import

kan through 0.6.0 fails to properly validate board creation permissions in the GitHub project import endpoint, allowing guests to create boards despite lacking board:create permission. Attackers can bypass authorization checks by using the importProjects mutation to create boards while remaining...

EUVD-2026-81062

kan through 0.6.0 fails to properly validate board creation permissions in the GitHub project import endpoint, allowing guests to create boards despite lacking board:create permission. Attackers can bypass authorization checks by using the importProjects mutation to create boards while remaining...

CVE-2026-92802 kan through 0.6.0 Authorization Bypass via GitHub Project Import

kan through 0.6.0 fails to properly validate board creation permissions in the GitHub project import endpoint, allowing guests to create boards despite lacking board:create permission. Attackers can bypass authorization checks by using the importProjects mutation to create boards while remaining...

CVE-2026-92802

kan (kanbn/kan) through version 0.6.0 contains an authorization bypass in the GitHub project import endpoint. The root cause is a failure to properly validate board creation permissions in the importProjects mutation , allowing guests to create boards despite lacking the board:create permission. ...

PT-2026-94076

Name of the Vulnerable Software and Affected Versions kan versions prior to 0.6.1 Description Insufficient validation of board creation permissions occurs in the GitHub project import endpoint. This allows guests to create boards even if they lack the board:create permission. An attacker can bypa...

CVE-2026-92802: Missing Authorization

kan through 0.6.0 fails to properly validate board creation permissions in the GitHub project import endpoint, allowing guests to create boards despite lacking board:create permission. Attackers can bypass authorization checks by using the importProjects mutation to create boards while remaining...

CVE-2026-32255

Kan is an open-source project management tool. In versions 0.5.4 and below, the /api/download/attatchment endpoint has no authentication and no URL validation. The Attachment Download endpoint accepts a user-supplied URL query parameter and passes it directly to fetch server-side, and returns the...

CVE-2026-32255: Server-Side Request Forgery (SSRF)

Kan is an open-source project management tool. In versions 0.5.4 and below, the /api/download/attatchment endpoint has no authentication and no URL validation. The Attachment Download endpoint accepts a user-supplied URL query parameter and passes it directly to fetch server-side, and returns the...