Read the docs
TI-2026-52699 Aliases CVE-2026-75000GHSA-4649-47v5-9mqg

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization…

Priority LOW 34CWE-669Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00346 28th percentileScored 2026-11-07
Fix Fixed Webmail (Roundcube): 1.6.18, 1.7.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
RoundcubeWebmail1.6.0 to before 1.6.18; 1.7.0 to before 1.7.31.6.18, 1.7.3Patch availableCNA
  • Webmail VendorRoundcube Affected 1.6.0 to before 1.6.18; 1.7.0 to before 1.7.3 Fixed in 1.6.18, 1.7.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*1.6.0 to before 1.6.18; 1.7.0 to before 1.7.3VulnerableRoundcube
  • cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* Versions 1.6.0 to before 1.6.18; 1.7.0 to before 1.7.3 Vulnerable ·Roundcube

Remediation

  • Fix · CNA Webmail (Roundcube) Fixed in 1.6.18, 1.7.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Roundcube Webmail 1.6.18, 1.7.3

    10 records Highest priority Priority MEDIUM 3 MEDIUM, 7 LOW

    Other records, highest priority first

    • TI-2026-52701 In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI…Priority MEDIUM 49
    • TI-2026-52696 OS command injection in Roundcube WebmailPriority MEDIUM 41
    • TI-2026-52705 Command injection in Roundcube WebmailPriority MEDIUM 40
    Show all 10 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75000
  2. 2026-10-03 Alias added: GHSA-4649-47v5-9mqg

References

Advisory 1

Other 2

  • TI-2025-31204 Deserialization of untrusted data in Roundcube Webmail KEVCVSS 3.1CRITICAL 9.9
  • TI-2021-19778 Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or search_params. KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10051 rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-28025 A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7… KEVCVSS 3.1CRITICAL 9.3
  • TI-2017-12250 Roundcube Webmail before 1.1.10, 1.2.x before 1.2.7, and 1.3.x before 1.3.3 allows… KEVCVSS 3.1HIGH 7.8
  • TI-2025-41994 Cross-site scripting in Roundcube Webmail KEVCVSS 3.1HIGH 7.2
See all 112 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences