CVE-2023-0105

mediumpriority · track · 26EPSS 0.007 · 54 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.72% (54th) EPSS

CVSS 6.5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 2.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondaryexploitability 3.9 · impact 2.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287USCWE-841US

affected products (5)

Products and version ranges known to be affected.

Open Source Keycloakall versionscert_bundDEcpe:/a:keycloak:keycloak:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
redhat.com KeyCloakall versionsenisa_euvdEU
redhat keycloakall versionsnvdUScpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-core< 22.0.1osvUSpkg:maven/org.keycloak/keycloak-core

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0036Keycloak: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2023-01-08csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen und dadurch Nutzerrechte zu erlangen.
GHSA-c7xw-p58w-h6fjKeycloak: Impersonation and lockout possible through incorrect handling of email trust2023-07-18ghsa · osvUS
Impersonation and lockout are possible due to email trust not being handled correctly in Keycloak. Since the verified state is not reset when the email changes, it is possible for users to shadow others with the same email and lock out or impersonate them.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2023-01-13modified 2026-06-17

related (7,714)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-105133US	high7.3OT critical	79.5% (100th)	KEV	2026-10-04
A vulnerability was detected in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This affects the function checkSysPwd of the file com/ahsay/obs/api/ApiStructsAction.java of the component…
CVE-2026-82329US	—OT critical	14.4% (97th)	KEV	2026-08-28
JFrog Artifactory contains an authentication weakness that, under default configuration, may allow an unauthenticated attacker with network access to obtain administrative privileg…
CVE-2026-42018US	—OT critical	9.80% (96th)	KEV	2026-08-12
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
CVE-2026-65400US	—OT critical	1.72% (77th)	KEV	2026-08-06
An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, ma…
CVE-2026-16232US	critical9.8OT critical	3.52% (89th)	KEV	2026-07-22
An authentication bypass vulnerability in the Check Point SmartConsole login process allows an unauthenticated remote attacker to obtain an application login token and use it to au…

+7709 more

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan