01 Record
CVE-2026-18963
Keycloak-services: keycloak-services: unauthenticated account takeover via reset-credentials flow bypass
CriticalPUBLISHEDCNA: redhat
CNA base score9.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
02 Description
Keycloak-services: keycloak-services: unauthenticated account takeover via reset-credentials flow bypass
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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 4.68% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.7% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (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:H/I:H/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-23.
- Red Hat severity
- Critical. 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
- 2026-08-18 17:05Z2 MO AGO
- Last updated
- 2026-10-23 16:38Z6 DAYS AGO
- Reserved
- 2026-08-05
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-640Weak Password Recovery Mechanism for Forgotten PasswordBase
- Data version
- 5.2
- Document digest
- 8128abc69b1a031ea46d4ae3134b3d23c32a0aed8ac6592fe93513d2fa60a259
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2026:56519https://access.redhat.com/errata/RHSA-2026:56519
- access.redhat.comRHSA-2026:56520https://access.redhat.com/errata/RHSA-2026:56520
- access.redhat.comRHSA-2026:56523https://access.redhat.com/errata/RHSA-2026:56523
- access.redhat.comRHSA-2026:56524https://access.redhat.com/errata/RHSA-2026:56524
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-18963
- bugzilla.redhat.comRHBZ#2511595https://bugzilla.redhat.com/show_bug.cgi?id=2511595
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-503852.html