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CVE-2026-129132 MRBS before 1.13.0 LDAP Injection via AuthLdap.php Authentication Filter

2.3 low

Low (2.3) in meeting-room-booking-system mrbs-code.

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MRBS before 1.13.0 contains an LDAP injection vulnerability in web/lib/MRBS/Auth/AuthLdap.php that interpolates unescaped login usernames into DN search and group-membership filters. Attackers with valid directory credentials outside the required group can submit crafted usernames that make the group filter always true, bypassing access restrictions.

Severity

CVSS 4.0

2.3 low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

4.2 medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
CWE-90 Improper Neutralization of Special Elements used in an LDAP Query (LDAP Injection)
OWASP Top 10
A05:2025 Injection
Published
Assigned by
VulnCheck (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
meeting-room-booking-system mrbs-codebefore 1.13.0

Attack patterns (CAPEC)

  • CAPEC-136 LDAP Injection Likelihood: High · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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