CVE-2026-129132: meeting-room-booking-system mrbs-code · LDAP Injection
Affects meeting-room-booking-system mrbs-codeSource CVE Database V5
Not known to be exploited · CVSS 2.3 Low : upgrade to 1.13.0 when convenient.
Data as of 13 Nov 2026, 16:36 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 2.3 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 4.2 |
- Patch
- Available – fixed in 1.13.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 13 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade meeting-room-booking-system mrbs-code to 1.13.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| meeting-room-booking-systemmrbs-code | Affected
| Fixed in
|
GitHubmrbs-codepkg:github/mrbs-codeOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade MRBS to version 1.13.0 or later, where this LDAP injection vulnerability is fixed. No other mitigation is indicated by the vendor advisory.
Description
MRBS versions before 1.13.0 have an LDAP injection vulnerability in the AuthLdap.php file. This flaw allows attackers with valid directory credentials but outside the required group to bypass access restrictions by submitting crafted usernames that manipulate LDAP group-membership filters. The vulnerability is fixed in version 1.13.0.
References
- github.com/meeting-room-booking-system/mrbs-code/security/advisories/GHSA-r543-f38c-cq6v (opens in a new tab)
- github.com/meeting-room-booking-system/mrbs-code/commit/92f6f5610072ddb9e1b38074c410fc8be56947ed (opens in a new tab)
- github.com/meeting-room-booking-system/mrbs-code/releases/tag/v1.13.0 (opens in a new tab)
- github.com/meeting-room-booking-system/mrbs-code/blob/299686ed64174a66448699f5ca0fb5e0e0ea9faa/web/lib/MRBS/Auth/AuthLdap.php (opens in a new tab)
- vulncheck.com/advisories/mrbs-before-1.13.0-ldap-injection-via-authldap-php-authentication-filter (opens in a new tab)