CVE•Published 2026-04-03•Modified 2026-07-24•0 articles on news•4 live references•NVD data
CVE-2026-35543Roundcube · Webmail
Vulnerability data via NVD (ingested)
CVSS v3.1
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS percentile
33
Exploit Prediction Scoring System · top 67% of all CVEs
Weaknesses (CWE)
Description
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.
Timeline
Published 2026-04-03
Modified 2026-07-24
External references
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-2026-35543Hosts 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-2026-35543Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-35543Censys host search filtered to this CVE id.
grep.app
CVE-2026-35543Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-35543GitHub code search for direct mentions.
Google dork
"CVE-2026-35543" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-35543 on GitHub.
We haven't classified any articles referencing CVE-2026-35543 yet. The external references above still apply.