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CVE-2026-45757— Rocket.Chat: users.deactivateIdle` deactivates accounts without revoking existing login tokens

Quick assessment

Affected
RocketChat Rocket.Chat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RocketChat rocket.chat是巴西RocketChat公司开源的一款团队协作即时通讯平台。 Rocket.Chat存在会话机制问题漏洞，该漏洞源于通过users.deactivateIdle停用的用户仍可使用已签发的登录令牌，导致管理员标记为不活跃的用户仍能使用旧令牌访问经过身份验证的REST端点。以下版本受到影响：7.10.12之前版本、7.13.8之前版本、8.0.6之前版本、8.1.5之前版本、8.2.4之前版本、8.3.4之前版本、8.4.2之前版本和8.5.0之前版本。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 8

VendorProduct Version RangeStatus
RocketChat Rocket.Chat >= 8.5.0-rc.0, < 8.5.0 affected
>= 8.4.0-rc.0, < 8.4.2 affected
>= 8.3.0-rc.0, < 8.3.4 affected
>= 8.2.0-rc.0, < 8.2.4 affected
>= 8.1.0-rc.0, < 8.1.5 affected
>= 8.0.0-rc.0, < 8.0.6 affected
>= 7.11.0-rc.0, < 7.13.8 affected
< 7.10.12 affected
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I. Basic Information for CVE-2026-45757

Vulnerability Information
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Vulnerability Title
Rocket.Chat: users.deactivateIdle` deactivates accounts without revoking existing login tokens
Source: CVE Program / CVE List V5
Vulnerability Description
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, Rocket.Chat allows users deactivated through users.deactivateIdle to keep using already-issued login tokens. A user that an administrator has marked inactive for idleness can still access authenticated REST endpoints with the old token. This vulnerability is fixed in 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5
Vulnerability Title
Rocket.Chat 会话机制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RocketChat rocket.chat是巴西RocketChat公司开源的一款团队协作即时通讯平台。 Rocket.Chat存在会话机制问题漏洞，该漏洞源于通过users.deactivateIdle停用的用户仍可使用已签发的登录令牌，导致管理员标记为不活跃的用户仍能使用旧令牌访问经过身份验证的REST端点。以下版本受到影响：7.10.12之前版本、7.13.8之前版本、8.0.6之前版本、8.1.5之前版本、8.2.4之前版本、8.3.4之前版本、8.4.2之前版本和8.5.0之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
RocketChat Rocket.Chat >= 8.5.0-rc.0, < 8.5.0 -

II. Public POCs for CVE-2026-45757

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III. Intelligence Information for CVE-2026-45757

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Vendor Advisories for CVE-2026-45757 (1)

Same Patch Batch · RocketChat · 2026-06-24 · 12 CVEs total

CVE-2026-45688 9.1 CRITICAL Rocket.Chat: Pre-Auth NoSQL Injection in CAS Login Handler leading to Arbitrary CAS/SAML U
CVE-2026-45689 9.1 CRITICAL Rocket.Chat: Pre-Auth NoSQL Injection in OAuth2 Token Endpoint leading to Arbitrary User A
CVE-2026-45687 8.5 HIGH Rocket.Chat: Authenticated Arbitrary Data Export Theft via Mass Assignment in sendFileMess
CVE-2026-55762 8.1 HIGH Rocket.Chat: Any Authenticated User Can Permanently Deregister Workspace from Rocket.Chat
CVE-2026-55759 7.4 HIGH Rocket.Chat: Apple Sign-In skips JWT claims validation, allowing expired and cross-audienc
CVE-2026-49278 6.7 MEDIUM Rocket.Chat: Livechat Visitor Profile Disclosure Leaks Bearer Token and Enables Visitor Im
CVE-2026-47733 4.4 MEDIUM Rocket.Chat: Missing URL protocol sanitization in ImageElement allows javascript: URLs in
CVE-2026-45677 Rocket.Chat: Lack of SAML Signature Check During Logout Could Lead To DoS
CVE-2026-49277 Rocket.Chat: OAuth access and refresh tokens remain valid after account deactivation
CVE-2026-46423 Rocket.Chat: SAML signature validation skipped when IdP certificate field is empty
CVE-2026-55666 Rocket.Chat: Email Parameter Fallback Leads To Account Takeover Within Apple OAuth

IV. Related Vulnerabilities

Same product: Rocket.Chat
Same vendor: RocketChat
Same weakness: CWE-613

V. Comments for CVE-2026-45757

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