Plane is an open-source project management tool. Prior to 1.4.0, aPITokenLogMiddleware logs API keys in plaintext. This allows someone with low privileges to steal user API keys and further escalate their privileges. This issue is fixed in 1.4.0.
https://github.com/makeplane/plane/security/advisories/GHSA-r5p8-cj3q-38cc
https://github.com/makeplane/plane/releases/tag/v1.4.0
https://github.com/makeplane/plane/pull/9148
https://github.com/makeplane/plane/commit/edf247541301e482f2688c63481464b671ec579d
Published: 2026-10-05
Updated: 2026-10-05
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N
Severity: Medium
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
Base Score: 8.7
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00246