MRBS before 1.13.0 contains an LDAP injection vulnerability in web/lib/MRBS/Auth/AuthLdap.php that interpolates
Source GCVE Database
Not known to be exploited · CVSS 2.3 Low : upgrade to 1.13.0 when convenient.
Data as of 13 Nov 2026, 20:02 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 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
A fix is available in MRBS version 1.13.0 and later. Users should upgrade to version 1.13.0 or newer to remediate this vulnerability. No other mitigation or temporary workaround is indicated in the available data.
Description
MRBS versions prior to 1.13.0 have an LDAP injection vulnerability in the AuthLdap.php component. This flaw allows attackers with valid directory credentials but outside the required group to bypass access restrictions by submitting specially crafted usernames that manipulate LDAP filters.
References
- github.com/meeting-room-booking-system/mrbs-code/security/advisories/GHSA-r543-f38c-cq6v (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-129132 (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/blob/299686ed64174a66448699f5ca0fb5e0e0ea9faa/web/lib/MRBS/Auth/AuthLdap.php (opens in a new tab)
- github.com/meeting-room-booking-system/mrbs-code/releases/tag/v1.13.0 (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)