CyberSecBulletin

RocketChat vulnerabilities

We track 11 vulnerabilities in RocketChat products across 2 products. 11 are rated high or critical, and none are known to be exploited. The most recent was published on June 24, 2026.

11vulnerabilities
6critical
5high
0exploited
8.8average CVSS score

Latest RocketChat vulnerabilities

  • 8.1 High severity

    Rocket.Chat: Missing Authorization

    CVE-2026-55762RocketChat

    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, the POST /api/v1/fingerprint REST endpoint enforces authentication (authRequired: true) but performs no authoriza

  • 7.4 High severity

    Rocket.Chat: Improper Authentication

    CVE-2026-55759RocketChat

    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 wit

  • 9.3 Critical severity

    Rocket.Chat: Improper Authentication

    CVE-2026-55666RocketChat

    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, in apps/meteor/app/apple/server/loginHandler.ts, handleIdentityToken parses a JWT issued by Apple during the OAut

  • 9.3 Critical severity

    Rocket.Chat: Improper Verification of Cryptographic Signature

    CVE-2026-46423RocketChat

    Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's SAML service provider implementation silently skips both SAML Response and Assertion signat

  • 9.1 Critical severity

    Rocket.Chat: Improper Neutralization of Special Elements in Data Query Logic

    CVE-2026-45689RocketChat

    Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, an unauthenticated network attacker obtains a valid Rocket.Chat OAuth access token for an arbitrary user

  • 9.1 Critical severity

    Rocket.Chat: Improper Neutralization of Special Elements in Data Query Logic

    CVE-2026-45688RocketChat

    Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's CAS login handler forwards the client-supplied options.cas.credentialToken value straight i

  • 8.5 High severity

    Rocket.Chat: Improperly Controlled Modification of Dynamically-Determined Object Attributes

    CVE-2026-45687RocketChat

    Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's sendFileMessage DDP method passes the entire attacker-supplied file object into Uploads.upd

  • 8.7 High severity

    Rocket.Chat: Missing Authorization

    CVE-2026-45677RocketChat

    Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's SAML integration does not verify the signature on inbound LogoutRequest messages. An unauth

  • 9.8 Critical severity

    Rocket.Chat: Improper Authentication

    CVE-2026-30831RocketChat

    Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to versions 7.10.8, 7.11.5, 7.12.5, 7.13.4, 8.0.2, 8.1.1, and 8.2.0, authentication vulnerabilities exist in Rocket.Chat's enterprise DDP Streamer service. The Account.log

  • 9.8 Critical severity

    Rocket.Chat: Improper Authentication

    CVE-2026-28514RocketChat

    Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to versions 7.8.6, 7.9.8, 7.10.7, 7.11.4, 7.12.4, 7.13.3, and 8.0.0, a critical authentication bypass vulnerability exists in Rocket.Chat's account service used in the ddp

  • 7.5 High severity

    RocketChat: Inefficient Regular Expression Complexity

    CVE-2025-5892RocketChat

    A vulnerability, which was classified as problematic, has been found in RocketChat up to 7.6.1. This issue affects the function parseMessage of the file /apps/meteor/app/irc/server/servers/RFC2813/parseMessage.js. The manipulation of the argument line leads to