{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-55759/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-24T21:07:29.331Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-55759","@id":"https://www.cve.org/CVERecord?id=CVE-2026-55759","description":"Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13, Rocket.Chat's Apple Sign-In handler verifies JWT signatures but skips claims validation. Any Apple-signed JWT with a non-empty iss is accepted regardless of aud, exp, nbf, or nonce. An attacker who obtains a target user's Apple identity token (from server logs, an intercepted sign-in flow, or another application sharing the same Apple developer team) "},"products":[{"@id":"cpe:2.3:a:rocketchat:rocket.chat:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:rocketchat:rocket.chat:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-24T21:07:29.331Z"}]}