CVE-2026-4325

[Catálogo de CVE]

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This could lead to unauthorized access or account compromise. keycloak: Keycloak: Replay of action tokens via improper handling of single-use entries This flaw in Keycloak's SingleUseObjectProvider has a MODERATE impact. It allows an attacker to delete arbitrary single-use entries, which could lead to the replay of consumed action tokens such as password reset links. Exploitation requires high attack complexity and user interaction. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Gravedad

Medium · CVSS 5.3CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Published

Apr 2, 2026, 12:30:00 PM UTC

Source

[NVD] · [CVE record]

EPSS

0.25% · Oct 27, 2026

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  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "build_of_keycloak",
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      "applicability_unknown": true
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    {
      "name": "build_of_keycloak",
      "ranges": [],
      "ecosystem": "cpe",
      "provider_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4325",
      "fixed_version": "",
      "provider_source": "nvd",
      "provider_record_id": "NVD-CVE-2026-4325",
      "provider_updated_at": "2026-10-26T21:10:00.170"
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