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CVE-2026-18963VulnerabilityPublished

WAGO: Unauthorized Account Access via Credential Recovery Process

Affects WAGOSource GCVE Database

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Authoritative record:CVE-2026-18963· Critical 9.1

Public exploit available (Exploit-DB) · CVSS 9.1 Critical.

Data as of 4 Nov 2026, 13:30 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.19.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 18 Aug 2026

  2. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  3. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by Red Hat, Inc.

    , 13 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , 16 minutes after disclosure

  4. First Exploit-DB entry (opens in a new tab)

    Keycloak 26.7.2 - Unauthenticated Account Takeover

    , 64 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat build of Keycloak 26.4rhbk/keycloak-operator-bundleAffected–Fixed in–
Red Hat build of Keycloak 26.4rhbk/keycloak-rhel9Affected–Fixed in–
Red Hat build of Keycloak 26.4rhbk/keycloak-rhel9-operatorAffected–Fixed in–
Red Hat build of Keycloak 26.4.15keycloak-servicesAffected–Fixed in–
Red Hat build of Keycloak 26.4.15rhbk-openshift-rhel9/rhbk-openshift-rhel9Affected–Fixed in–
Red Hat build of Keycloak 26.6rhbk/keycloak-operator-bundleAffected–Fixed in–

AI-suggested

Until an official fix is available, restrict access to the credential recovery process and monitor for suspicious activity related to account recovery attempts.

Description

CVE-2026-18963 is a vulnerability in WAGO version 7.36.156 involving the credential recovery process that allows unauthorized account takeover. Exploiting this flaw could enable attackers to access application resources with the privileges of the compromised user, potentially leading to unauthorized access to sensitive data, misuse of privileged functions, and modification of system settings.

References

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