01 Record
CVE-2026-19607
Keycloak-services: keycloak-services: broker-originated username collision causes account lockout
MediumPUBLISHEDCNA: redhat
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
02 Description
Keycloak-services: keycloak-services: broker-originated username collision causes account lockout
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.68% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 52.3% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-16 15:46Z1 MO AGO
- Last updated
- 2026-09-16 18:35Z1 MO AGO
- Reserved
- 2026-08-12
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.2
- Document digest
- f47f7af025d68b5fc0f90a292ef0a5e8ae96ce31eade202331bec35eeb5acc26
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2026:68276https://access.redhat.com/errata/RHSA-2026:68276
- access.redhat.comRHSA-2026:68277https://access.redhat.com/errata/RHSA-2026:68277
- access.redhat.comRHSA-2026:68278https://access.redhat.com/errata/RHSA-2026:68278
- access.redhat.comRHSA-2026:68280https://access.redhat.com/errata/RHSA-2026:68280
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-19607
- bugzilla.redhat.comRHBZ#2514529https://bugzilla.redhat.com/show_bug.cgi?id=2514529
07 Fixed in
Ubuntu 24.04 LTS
- python-keycloak No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- python-keycloak No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.