CVE record · CVE-2026-45689

Rocket.Chat: Pre-Auth NoSQL Injection in OAuth2 Token Endpoint leading to Arbitrary User ATO

CVSS 9.1 CriticalCriticalEPSS 0.0053 · 44th percentile

Critical, because:

CVSS score 9.1: 9.0 or more.

Published by the CVE Program (CNA: GitHub_M) at 24 Jun 2026, 20:57 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
RocketChat	Rocket.Chat	affected >= 8.5.0-rc.0, < 8.5.0 affected >= 8.4.0-rc.0, < 8.4.1 affected >= 8.3.0-rc.0, < 8.3.3 affected >= 8.2.0-rc.0, < 8.2.3 affected >= 8.1.0-rc.0, < 8.1.4 affected >= 8.0.0-rc.0, < 8.0.5 affected >= 7.11.0-rc.0, < 7.13.7 affected < 7.10.11

Identifiers: CVE-2026-45689
CNA: GitHub_M
Weakness (CWE): CWE-943
Tags: RocketChat Rocket.Chat
Other injection
Published: 24 Jun 2026
Updated: 3 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.1	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	CNA (GitHub_M)

CISA KEV Not listed.
EPSS 0.0053, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

24 Jun 2026, 20:57 UTC Confirmed by the CVE List
24 Jun 2026, 21:16 UTC Confirmed by NVD

Sources

References from the CNA

github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-8p25-fm45-pjrw confirm

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.