CVE-2026-75007: CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') in Roundcube Webmail
CVE-2026-75007 is a command injection vulnerability in Roundcube Webmail affecting versions 1.6.0 and 1.7.0. The issue arises from improper neutralization of special elements in the LDAP search filter, specifically via unescaped %u/%fu/%d substitutions. This flaw may allow an attacker to cause information disclosure or privilege escalation. The vulnerability has a medium severity rating with a CVSS score of 5.4. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
This vulnerability in Roundcube Webmail before versions 1.6.18 and 1.7.x before 1.7.3 involves improper neutralization of special elements used in a command (CWE-77). The LDAP search filter is vulnerable to injection through unescaped %u/%fu/%d substitutions, potentially enabling attackers to disclose information or escalate privileges. The affected versions explicitly include 1.6.0 and 1.7.0. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation of this vulnerability could lead to information disclosure or privilege escalation within the Roundcube Webmail environment. The medium CVSS score (5.4) reflects that the vulnerability requires low attack complexity but needs some privileges and does not impact availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates and consider restricting LDAP search filter inputs if possible.
CVE-2026-75007: CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') in Roundcube Webmail
Description
CVE-2026-75007 is a command injection vulnerability in Roundcube Webmail affecting versions 1.6.0 and 1.7.0. The issue arises from improper neutralization of special elements in the LDAP search filter, specifically via unescaped %u/%fu/%d substitutions. This flaw may allow an attacker to cause information disclosure or privilege escalation. The vulnerability has a medium severity rating with a CVSS score of 5.4. No official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 5.4medium
Affected software
pkg:github/roundcube/roundcubemailRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Roundcube Webmail before versions 1.6.18 and 1.7.x before 1.7.3 involves improper neutralization of special elements used in a command (CWE-77). The LDAP search filter is vulnerable to injection through unescaped %u/%fu/%d substitutions, potentially enabling attackers to disclose information or escalate privileges. The affected versions explicitly include 1.6.0 and 1.7.0. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation of this vulnerability could lead to information disclosure or privilege escalation within the Roundcube Webmail environment. The medium CVSS score (5.4) reflects that the vulnerability requires low attack complexity but needs some privileges and does not impact availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates and consider restricting LDAP search filter inputs if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-08-17T12:58:48.409Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a830c1dbf8831d539efd540
Added to database: 08/17/2026, 13:26:53 UTC
Last enriched: 08/17/2026, 13:46:46 UTC
Last updated: 08/17/2026, 14:21:35 UTC
Views: 5
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