CVE-2026-45757

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.

EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.12%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-613 CWE-613

References

Other References

https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-6g3w-vg5p-w892 https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-6g3w-vg5p-w892

Frequently Asked Questions

What is CVE-2026-45757? +

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.

How do I check if I'm vulnerable to CVE-2026-45757? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-40939

The Data Sharing Framework (DSF) implements a distributed process engine based on the BPMN 2.0 and FHIR R4 standards. Prior …

CVE-2026-46401

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Versions prior to 26.0.0 suffer from an improper session …

CVE-2025-42602

This vulnerability exists in Meon KYC solutions due to improper handling of access and refresh tokens in certain API endpoints …

CVE-2025-46344

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions starting from 4.0.1 and prior …

CVE-2025-0138

Web sessions in the web interface of Palo Alto Networks Prisma® Cloud Compute Edition do not expire when users are …

CVE-2025-4754

Insufficient Session Expiration vulnerability in ash-project ash_authentication_phoenix allows Session Hijacking. This vulnerability is associated with program files lib/ash_authentication_phoenix/controller.ex. This issue …