Is CVE-2026-27949 actively exploited?

No active exploitation of CVE-2026-27949 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-27949 be exploited remotely?

Yes. CVE-2026-27949 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-27949?

CVE-2026-27949 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-27949

CWE-200Published: April 7, 2026· Updated: Apr 14, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.8th

Official Description

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 invalid magic code is submitted). Transmitting personally identifiable information (PII) via GET request query strings is classified as an insecure design practice. The affected code path is located in the authentication utility module (packages/utils/src/auth.ts). This vulnerability is fixed in 1.3.0.

NVD Source

Technical Analysis

CVE-2026-27949 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.