CVE•Published 2026-08-17•Modified 2026-09-10•0 articles on news•4 live references•NVD data

CVE-2026-75003Roundcube · Webmail

Vulnerability data via NVD (ingested)

CVSS v3.1

5.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

EPSS percentile

Exploit Prediction Scoring System · top 77% of all CVEs

Weaknesses (CWE)

CWE-669Incorrect Resource Transfer Between Spheres

Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.

Timeline

Published 2026-08-17

Modified 2026-09-10

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-75003

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Roundcube Webmail"

All exposed Roundcube Webmail instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Webmail"

HTTP body or banner mentions "Webmail" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-75003