{"id":"CVE-2026-125748","published":"2026-11-10T16:17:20.730","lastModified":"2026-11-10T19:21:13.230","description":"Parabol before 15.21.2 contains a missing authorization vulnerability in the addReactjiToReactable GraphQL mutation that allows authenticated users to tamper with reactions on other organizations' content. Attackers can pair their own meetingId with a reactableId of another tenant's reflection, comment, or sequential team prompt response to add or remove their reactions.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/ParabolInc/parabol/blob/v15.21.1/packages/server/graphql/public/mutations/addReactjiToReactable.ts#L36-L99","tags":[]},{"url":"https://github.com/ParabolInc/parabol/commit/1f063b2f2768ad3a6138156ddce9d938f58e8005","tags":[]},{"url":"https://github.com/ParabolInc/parabol/issues/13727","tags":[]},{"url":"https://github.com/ParabolInc/parabol/releases/tag/v15.21.2","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/parabol-addreactjitoreactable-cross-meeting-idor","tags":[]},{"url":"https://www.vulncheck.com/advisories/parabol-before-15.21.2-missing-authorization-via-addreactjitoreactable-mutation","tags":[]}],"exploitRefs":[{"url":"https://github.com/ParabolInc/parabol/blob/v15.21.1/packages/server/graphql/public/mutations/addReactjiToReactable.ts#L36-L99","tags":[]},{"url":"https://github.com/ParabolInc/parabol/commit/1f063b2f2768ad3a6138156ddce9d938f58e8005","tags":[]},{"url":"https://github.com/ParabolInc/parabol/issues/13727","tags":[]},{"url":"https://github.com/ParabolInc/parabol/releases/tag/v15.21.2","tags":[]}],"hasPoc":true,"ai":null}