SSRF in Makeplane Plane
CVE-2026-27706
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Makeplane Plane — versions < 1.2.2
- Plane
Weakness classification (CWE)
References
- github.com/makeplane/plane/security/advisories/GHSA-jcc6-f9v6-f7jw (Vendor Advisory)
- github.com/makeplane/plane/releases/tag/v1.2.2 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-27706?
- CVE-2026-27706 is a high-severity vulnerability in Makeplane Plane, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-02-25.
- How severe is CVE-2026-27706?
- High severity. CVSS v3 base score is 7.7 out of 10.