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VulnerabilityPublished

CVE-2026-16071: Improper Privilege Management

Source GCVE Database

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Authoritative record:CVE-2026-16071· Medium 5.4

Not known to be exploited · CVSS 5.4 Medium : update Red Hat build of Keycloak 26.4 when convenient.

Data as of 3 Nov 2026, 22:58 UTC

CVSS 3.1 base score
5.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 3 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red HatRed Hat build of Keycloak 26.4Affected–Fixed in–
Red HatRed Hat build of Keycloak 26.4Affected–Fixed in–
Red HatRed Hat build of Keycloak 26.4.14Affected–Fixed in–
Red HatRed Hat build of Keycloak 26.6Affected–Fixed in–
Red HatRed Hat build of Keycloak 26.6Affected–Fixed in–
Red HatRed Hat build of Keycloak 26.6.5Affected–Fixed in–

Description

A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.

References

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