Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

CVE record · CVE-2026-45688

Rocket.Chat: Pre-Auth NoSQL Injection in CAS Login Handler leading to Arbitrary CAS/SAML User Session Hijack

CVSS 9.1 CriticalCriticalEPSS 0.0049 · 42nd percentile

Critical, because:

  • CVSS score 9.1: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: GitHub_M) at 24 Jun 2026, 20:56 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
VendorProductVersions
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-2026-45688
CNA
GitHub_M
Weakness (CWE)
CWE-943
Tags
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

ScoreRatingCVSSVectorSource
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 0.0049, the 42nd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 24 Jun 2026, 20:56 UTC Confirmed by the CVE List
  2. 24 Jun 2026, 21:16 UTC Confirmed by NVD

Sources

References from the CNA

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.