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TI-2026-20947 Aliases CVE-2026-25916GHSA-q3rv-p5xv-cfpq

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

Priority LOW 21CWE-420Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
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

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00756 55th percentileScored 2026-11-07
Fix Fixed Webmail (Roundcube): 1.5.13, 1.6.13

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
RoundcubeWebmailbefore 1.5.13; 1.6.0 to before 1.6.131.5.13, 1.6.13Patch availableCNA
  • Webmail VendorRoundcube Affected before 1.5.13; 1.6.0 to before 1.6.13 Fixed in 1.5.13, 1.6.13 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*——Roundcube
  • cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* Versions — — ·Roundcube

Remediation

  • Fix · CNA Webmail (Roundcube) Fixed in 1.5.13, 1.6.13

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25916
  2. 2026-10-03 Alias added: GHSA-q3rv-p5xv-cfpq
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Other 3

  • 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 128 →

Sources

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