CVE-2026-11748
MediumPublic exploitA vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated…
Published Jun 22, 2026 · Updated Sep 11, 2026 · Also known as EUVD-2026-38208, GHSA-98q5-5qh2-7w75
Key Facts
Routine patching- CVE-2026-11748 is a medium-severity vulnerability (CVSS 6.9 v4) affecting com.linecorp.centraldogma:centraldogma-server-auth-shiro (maven), Central Dogma.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 0.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including com.linecorp.centraldogma:centraldogma-server-auth-shiro 0.84.0.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
CVSS v4
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N
EPSS (30-day exploit likelihood)
0.6%
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-11748 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
A vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated attacker to manipulate the filter to cause authentication confusion and enumerate the directory structure.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| com.linecorp.centraldogma:centraldogma-server-auth-shiromaven | See advisory | 0.84.0 |
| Central Dogma | See advisory | n/a |
Patched Releases
com.linecorp.centraldogma:centraldogma-server-auth-shiro
0.84.0
Timeline
Publicly disclosed
Jun 22, 2026
Last updated
Sep 11, 2026
Weakness Type
- CWE-90 Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
References
FAQ
Common Questions.
A vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated attacker to manipulate the filter to cause aut…
Affected: com.linecorp.centraldogma:centraldogma-server-auth-shiro (maven); Central Dogma. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including com.linecorp.centraldogma:centraldogma-server-auth-shiro 0.84.0.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2026-11748 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo