Security readout for executives and security teams
Plain-English summary
An authenticated Keycloak administrator who controls one client could alter or delete authorization resources belonging to another client in the same realm. This could disrupt access controls or services across organizational boundaries, but requires substantial existing privileges and a valid resource identifier.
Executive priority
Schedule prompt remediation where multiple teams or tenants share a realm with delegated client administrators. Prioritize those deployments over realms controlled exclusively by a small, trusted central administration team. No source supports emergency treatment based on active exploitation.
Technical view
Authorization is checked using the request’s resource-server client ID, while database lookup and modification use only the resource ID. This identifier mismatch enables cross-client access within one realm. CVSS 3.1 is 6.0, reflecting network reachability, low complexity, high privileges, and primarily integrity impact.
Likely exposure
Exposure is established for the listed Red Hat build of Keycloak 26.4 packages and versions. Risk is greatest in shared realms using fine-grained delegated client administration. The supplied evidence does not establish impact to other Keycloak distributions or versions.
Exploitation context
The attacker must already be authenticated with fine-grained administrative permissions for a client and possess a valid resource ID from another client in the same realm. The supplied sources provide no evidence of active exploitation, and the CVE is not listed as KEV.
Researcher notes
The bundle lists rhbk/keycloak-operator-bundle 26.4.11-1, rhbk/keycloak-rhel9 26.4-14, and rhbk/keycloak-rhel9-operator 26.4-14 as affected. It separately marks rhbk/keycloak-rhel9-operator under product 26.4.11 as unaffected. Resolve this package-specific distinction through the cited errata before declaring exposure.
Mitigation direction
- Review RHSA-2026:6477 and RHSA-2026:6478, then apply the applicable Red Hat updates to affected packages.
- Until updated, restrict fine-grained client administration to trusted accounts and limit administrative API access.
- Remove unnecessary delegated client permissions and separate administrative trust boundaries where operationally practical.
Validation and detection
- Inventory Red Hat Keycloak packages, exact builds, realms, and fine-grained client administration assignments.
- Compare each installed package and version with the package-specific status in Red Hat advisories.
- Confirm delegated administrators cannot modify or delete another client’s authorization resources in a controlled environment.
- Review available administrative audit records for unexpected cross-client resource changes or deletions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-289: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-14777 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L1.24.7redhatVulnerability scoring details
Base CVSS 3.1 score
6MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineredhat
Made public.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2026:6477CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:6478CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-14777CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2422596CVE reference, redhat · issue-tracking, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authentication Bypass by Alternate Name
Authentication Bypass by Alternate Name represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.