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TI-2026-52705 Aliases CVE-2026-75007GHSA-2c9p-fq48-6545

Command injection in Roundcube Webmail

Priority MEDIUM 40CWE-77Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.

Summary

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject to injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00353 29th 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
No
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-2026-52700 Command injection in Roundcube WebmailPriority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75007
  2. 2026-10-03 Alias added: GHSA-2c9p-fq48-6545

References

  • 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