How severe is CVE-2026-11748?

CVE-2026-11748 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2026-11748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11748?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-11748 have an EU (EUVD) identifier?

Yes. CVE-2026-11748 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38208.

When was CVE-2026-11748 published?

CVE-2026-11748 was published on 2026-06-22.

CVE-2026-11748

CVE-2026-11748 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-90.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38208
Weakness: CWE-90
Published: 2026-06-22
Last modified: 2026-06-22

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.

Frequently asked questions

What is CVE-2026-11748?: 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.
How severe is CVE-2026-11748?: CVE-2026-11748 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2026-11748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11748?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11748 have an EU (EUVD) identifier?: Yes. CVE-2026-11748 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38208.
When was CVE-2026-11748 published?: CVE-2026-11748 was published on 2026-06-22.

References

https://github.com/line/centraldogma/security/advisories/GHSA-98q5-5qh2-7w75

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