CVE-2026-27706 HIGH

CVE-2026-27706: Plane Vulnerable to Full Read SSRF via Favicon Fetching in "Add Link" Feature

Vendor Makeplane
Product plane
Weakness CWE-918 · SSRF
Published February 25, 2026
Last update February 25, 2026
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Plane is an an open-source project management tool. Prior to version 1.2.2, a Full Read Server-Side Request Forgery (SSRF) vulnerability has been identified in the "Add Link" feature. This flaw allows an authenticated attacker with general user privileges to send arbitrary GET requests to the internal network and exfiltrate the full response body. By exploiting this vulnerability, an attacker can steal sensitive data from internal services and cloud metadata endpoints. Version 1.2.2 fixes the issue.

Key dates

02Disclosure timeline

February 25, 2026 CVE published
February 25, 2026 Record updated