Central Dogma: LDAP injection in SearchFirstActiveDirectoryRealm enables authentication confusion and audit log evasion — GHSA-98Q5-5QH2-7W75

Summary

# Vulnerability `SearchFirstActiveDirectoryRealm.findUserDn()` substitutes the user-supplied username from the login form into an LDAP search filter template (default `cn={0}`) **without escaping RFC 4515 filter metacharacters** (`*`, `(`, `)`, `\`, NUL). Combined with `SearchControls.setCountLimit(1)` on the same call site, this allows three distinct attack primitives: 1. **Authentication confusion** — typing…

Timeline

Published by source

2026-09-11

Risk context

• Reported severity or threat level: medium.
• Reported CVSS score: 6.9 out of 10.
• Reported EPSS value: 0.00618.
• Review exposure for the affected product or family: maven: com.linecorp.centraldogma:centraldogma-server-auth-shiro.

Product

maven: com.linecorp.centraldogma:centraldogma-server-auth-shiro

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-98Q5-5QH2-7W75

Source

GitHub

Vendor

GitHub

Published by source

2026-09-11

Last source activity

2026-09-11

Additional identifiers

CVE-2026-11748

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.