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Central Dogma CVE-2026-11748

| EUVDEUVD-2026-38208 MEDIUM
LDAP Injection (CWE-90)
2026-06-22 LY-Corporation
6.9
CVSS 4.0 · Vendor: LY-Corporation
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Severity by source

Vendor (LY-Corporation) PRIMARY
6.9 MEDIUM
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
6.5 MEDIUM

Network-reachable login endpoint, no credentials required; limited confidentiality and integrity impact from directory enumeration and auth confusion only.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N

Primary rating from Vendor (LY-Corporation).

CVSS VectorVendor: LY-Corporation

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jun 22, 2026 - 06:50 vuln.today

DescriptionCVE.org

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.

AnalysisAI

LDAP injection in Central Dogma's Apache Shiro-based authentication module exposes unauthenticated remote attackers to authentication confusion and Active Directory enumeration. The SearchFirstActiveDirectoryRealm component in centraldogma-server-auth-shiro versions prior to 0.84.0 inserts the login username directly into an LDAP search filter without escaping metacharacters, allowing filter logic manipulation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify exposed Central Dogma login endpoint
Delivery
Craft username with LDAP filter metacharacters
Exploit
Submit unauthenticated login request
Execution
SearchFirstActiveDirectoryRealm builds malformed LDAP filter
Persist
Observe differential authentication responses
Impact
Enumerate AD structure and valid account names

Vulnerability AssessmentAI

Exploitation Exploitation requires that the Central Dogma deployment has explicitly configured the SearchFirstActiveDirectoryRealm as its authentication mechanism, meaning Active Directory or LDAP-backed login must be enabled - this is not the default out-of-the-box configuration and requires deliberate administrator setup. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.9 (Medium) is driven by a fully network-accessible, zero-complexity, unauthenticated attack surface (AV:N/AC:L/AT:N/PR:N/UI:N), tempered by limited impact metrics (VC:L/VI:L/VA:N/SC:L/SI:N/SA:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker targeting an internet-exposed Central Dogma instance sends a series of login requests with crafted usernames such as admin)(|(uid=* or *)(objectClass=* to rewrite the LDAP filter constructed by SearchFirstActiveDirectoryRealm. By observing differences in authentication responses, the attacker enumerates valid AD usernames, group memberships, and OU structure without holding any credentials. …
Remediation Upgrade centraldogma-server-auth-shiro to version 0.84.0 or later, which is the vendor-released patch confirmed by LY Corporation's advisory GHSA-98q5-5qh2-7w75 (https://github.com/line/centraldogma/security/advisories/GHSA-98q5-5qh2-7w75) and the EUVD entry EUVD-2026-38208. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-11748 vulnerability details – vuln.today

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