CVE catalog
CVE-2026-37982
A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay `ExecuteActionsActionToken` tokens within Keycloak's WebAuthn (Web Authentication) flow. By intercept
- Severity
- Medium · CVSS 6.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.44% · Oct 25, 2026
A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay `ExecuteActionsActionToken` tokens within Keycloak's WebAuthn (Web Authentication) flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's account. This leads to unauthorized enrollment of a hardware-backed credential, enabling persistent account takeover.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | build_of_keycloak | Not reported | 26.4.12 | fixed |
| Cpe | build_of_keycloak | Not reported | 26.4.12 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | build_of_keycloak | cpe | Not reported | 26.4.12 | Not reported | Not reported | Not reported |
| Cpe | build_of_keycloak | cpe | Not reported | 26.4.12 | Not reported | NVD-CVE-2026-37982 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://access.redhat.com/errata/RHSA-2026:19596]
- [https://access.redhat.com/errata/RHSA-2026:19597]
- [https://access.redhat.com/security/cve/CVE-2026-37982]
- [https://bugzilla.redhat.com/show_bug.cgi?id=2455329]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-37982]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37982.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1612.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]