CVE-2026-48842
Exploitation reported by one source. First attested on 2026-09-24 by GCVE · previdian.
- Published2026-05-25
- WeaknessCWE-89
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
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.
Timeline
dates in UTC- 2026-05-2520:16CVE publishedNVD
- 2026-09-2409:23Listed as exploited by GCVEGCVE
- 2026-09-2409:23Exploitation first reportedGCVE
Observed activity
isMalicious corpus · updated 2026-10-25 15:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-48842?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-48842?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
- CVE-2026-48842 Red Hat Product Security
roundcubemail: pre-auth SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass
Fix
No fix published by the sources we read yet. NVD record
Detection
read 2026-10-25 00:28 UTC- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- 3 repositories, unverifiedmurrez/CVE-2026-488424minx/CVE-2026-48842XsanFlip/POC-CVE-2026-48842 PoC-in-GitHub
Sources
- NVDCVE recordread 2026-10-23
- GCVEexploitation2026-09-24
- CISA-ADPSSVC decisionnone2026-09-24
- OpenCVESSVC decisionnone—
- CNACVSS 3.18.1read 2026-10-23
- CNAweakness (CWE)CWE-89read 2026-10-23
- FIRST EPSSEPSS score1.7 %2026-10-25
- PoC-in-GitHubproof of concept3read 2026-10-25
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2026-05-25
- Last Modified
- 2026-09-25
- NVD status
- Deferred
Frequently asked questions
What is CVE-2026-48842?
Is CVE-2026-48842 actively exploited?
What is the CVSS score for CVE-2026-48842?
Running roundcubemail? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
No credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- For a threat intelligence platform: malware, C2 and ransomware indicators over STIX/TAXII.
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.