What is CVE-2026-27949?

CVE-2026-27949 is a low-severity vulnerability in Makeplane Plane, classified under Information Disclosure. CVSS score: 2.0/10. Published 2026-04-07.

How severe is CVE-2026-27949?

Low severity. CVSS v3 base score is 2.0 out of 10.

Information disclosure in Makeplane Plane

CVE-2026-27949

Plane is an an open-source project management tool. Prior to 1.3.0, a vulnerability was identified in Plane's authentication flow where a user's email address is included as a query parameter in the URL during error handling (e.g., when an…

Vulnerability class: Information Disclosure

EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N.

Affected products

Makeplane Plane — versions < 1.3.0
Plane

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-598

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-27949?: CVE-2026-27949 is a low-severity vulnerability in Makeplane Plane, classified under Information Disclosure. CVSS score: 2.0/10. Published 2026-04-07.
How severe is CVE-2026-27949?: Low severity. CVSS v3 base score is 2.0 out of 10.