{"id":"CVE-2026-104969","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-104969","generatedAt":"2026-10-28T05:28:09.740Z","title":"Plane is an open-source project management tool.","description":"Plane is an open-source project management tool. Prior to 1.4.0, the cycle-issues endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can add issues from any workspace to a cycle they control. If a victim issue is already assigned to a cycle, the operation removes it from the victim's cycle, causing a destructive cross-tenant write. This issue is fixed in 1.4.0.","published":"2026-10-05T17:17:13.000Z","lastModified":"2026-10-05T18:17:32.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00268,"percentile":0.18799,"date":"2026-10-27","history":[{"date":"2026-10-06","score":0.00268,"percentile":0.17262}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-05T17:17:13.000Z","detail":{"score":"6.5","severity":"MEDIUM","publishedAt":"2026-10-05T17:17:12.783Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://github.com/makeplane/plane/commit/81d9873d7f1cf1d1252ed53c12dd33696be73a89","source":"security-advisories@github.com"},{"url":"https://github.com/makeplane/plane/pull/9269","source":"security-advisories@github.com"},{"url":"https://github.com/makeplane/plane/releases/tag/v1.4.0","source":"security-advisories@github.com"},{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-22g9-9xfv-q3fr","source":"security-advisories@github.com"},{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-22g9-9xfv-q3fr","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-104969","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}