CVE-2022-3782
Keycloak vulnerable to path traversal via double URL encoding
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.
- Record
CVE-2022-3782- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.
- Record
CVE-2022-3782- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2022-7628
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.
- Record
EUVD-2022-7628- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g8q8-fggx-9r3q
Keycloak vulnerable to path traversal via double URL encoding
Keycloak does not properly validate URLs included in a redirect. An attacker could construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain, or possibly conduct further attacks.
- Record
GHSA-g8q8-fggx-9r3q- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-22, CWE-177
- Updated
- 2026-11-02
OSV
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.
- Record
CVE-2022-3782- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-g8q8-fggx-9r3q
Keycloak vulnerable to path traversal via double URL encoding
Keycloak does not properly validate URLs included in a redirect. An attacker could construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain, or possibly conduct further attacks.
- Record
GHSA-g8q8-fggx-9r3q- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-177, CWE-22
- Updated
- 2026-11-02
OSVRHSA-2022:8961
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.1 security update on RHEL 7
- Record
RHSA-2022:8961- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVRHSA-2022:8962
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.1 security update on RHEL 8
- Record
RHSA-2022:8962- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVRHSA-2022:8963
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.1 security update on RHEL 9
- Record
RHSA-2022:8963- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.keycloak:keycloak-parentMaven |
through 20.0.0 | 20.0.2 |
org.keycloak:keycloak-parentMaven |
before 20.0.2, plus listed versions 1.0-alpha-11.0-alpha-1-120620131.0-alpha-21.0-alpha-31.0-alpha-4 Show 45 moreShow less1.0-beta-11.0-beta-1-201505211.0-beta-1-201505231.0-beta-21.0-beta-31.0-beta-41.0-final1.0-rc-11.0-rc-21.0.1.Final1.0.2.Final1.0.3.Final1.0.4.Final1.0.5.Final1.1.0.Beta11.1.0.Beta21.1.0.Final1.1.1.Final1.2.0.Beta11.2.0.CR11.2.0.Final1.3.0.Final1.3.1.Final1.4.0.Final1.5.0-Final1.5.0.Final1.5.1.Final1.6.0.Final1.6.1.Final1.7.0.CR11.7.0.Final1.8.0.Alpha11.8.0.CR11.8.0.CR21.8.0.CR31.8.0.Final1.8.1.Final1.9.0.CR11.9.0.Final1.9.1.Final1.9.2.Final1.9.3.Final1.9.4.Final1.9.5.Final1.9.7.Final |
20.0.2 |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el7 From an advisory covering 2 CVEs |
before 0:18.0.3-1.redhat_00002.1.el7sso | 0:18.0.3-1.redhat_00002.1.el7sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el7 From an advisory covering 2 CVEs |
before 0:18.0.3-1.redhat_00002.1.el7sso | 0:18.0.3-1.redhat_00002.1.el7sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el8 From an advisory covering 2 CVEs |
before 0:18.0.3-1.redhat_00002.1.el8sso | 0:18.0.3-1.redhat_00002.1.el8sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el8 From an advisory covering 2 CVEs |
before 0:18.0.3-1.redhat_00002.1.el8sso | 0:18.0.3-1.redhat_00002.1.el8sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el9 From an advisory covering 2 CVEs |
before 0:18.0.3-1.redhat_00002.1.el9sso | 0:18.0.3-1.redhat_00002.1.el9sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el9 From an advisory covering 2 CVEs |
before 0:18.0.3-1.redhat_00002.1.el9sso | 0:18.0.3-1.redhat_00002.1.el9sso |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | shoucheng3/keycloak__keycloak_CVE-2022-3782_20-0-1 | 2025-08-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-3782 is a critical vulnerability (CVSS 9.1) in Keycloak, published December 13, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.95%, the 93rd percentile. Fixed in org.keycloak:keycloak-parent 20.0.2.
References
access.redhat.com/security/cve/CVE-2022-3782
github.com/keycloak/keycloak/security/advisories/GHSA-g8q8-fggx-9r3q
nvd.nist.gov/vuln/detail/CVE-2022-3782
Show 15 moreShow less
bugzilla.redhat.com/show_bug.cgi?id=2138971
issues.redhat.com/browse/CIAM-4414
security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_8961.json
cve.org/CVERecord?id=CVE-2022-3782
Left out here: 94 versions. The JSON record has them.