CVE detail
CVE-2026-1035
A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. This allows concurrent refresh requests to bypass single-use enforcement and issue multiple access tokens from the same refresh token. As a result, Keycloak’s refresh token rotation hardening can be undermined.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 16.1 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
4 source links · newest first
- https://bugzilla.redhat.com/show_bug.cgi?id=2430314bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comJan 21, 2026, 6:15 AM - https://access.redhat.com/security/cve/CVE-2026-1035access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJan 21, 2026, 6:15 AM - https://access.redhat.com/errata/RHSA-2026:6478access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJan 21, 2026, 6:15 AM - https://access.redhat.com/errata/RHSA-2026:6477access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJan 21, 2026, 6:15 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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