CVSS8.1
Severityhigh
WeaknessCWE-89
EPSS0.89%58.3th percentile
Exploited1 KEV source
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
patch window
Called exploited 119 days after disclosure.
Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.
The life of this vulnerability
- CVE published
- First KEV listing4mo
- Last sightingsame day
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federaldoes not list it
- EUVDENISA, European Uniondoes not list it
- VulnCheck KEVcommercial researchlisted Sep 21, 2026
- CIRCLaggregator, mirrors the abovelisted Sep 24, 2026, not counted
Sources1 of 3
Listings differ by—
Strongest claimconfirmed
This rests on a single catalogue. No second catalogue corroborates the claim that it is being exploited. CIRCL is an aggregator and is not counted.
Public exploitation evidence
- reported exploitationess.coalitioninc.com/cve/?id=CVE-2026-48842&alert=2026-09-21
1 public report collected from VulnCheck and CIRCL, first on Sep 21, 2026. Each links to its original source. We have not verified them.
Description
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.