Dashboard / CVE-2026-37982

CVE-2026-37982

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 54/100
Published: 2026-05-19 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: Required
S: Unchanged
C: High
I: High
A: None

Description

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
redhat build_of_keycloak 26.4 – 26.4.12
redhat build_of_keycloak 26.4 – 26.4.12

References & Advisories (4)

Bug Bounty Relevance

54 / 100
✓ Network accessible
✓ No authentication

CVSS Score

6.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.44%
Raw Score 0.004400
Percentile 38.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00440
2026-10-28
0.00440

Intelligence Sources

mitre ref →
nvd ref →

External Links