Patchfirst
CVE-2026-48842 Public exploit High · 8.1 EPSS 1.7%

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.

Roundcube · Webmail

Heading is the official description · CVE.org
Breakdown
73.6 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited 4 months after disclosure. Public exploit code (PoC-in-GitHub) appeared 4 months after disclosure.

  1. Disclosedday 0
  2. First seen exploitedVulnCheck KEV evidence+4 mo
  3. Public exploit codePoC-in-GitHub+4 mo

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 12 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

6 links, grouped by NVD tag
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