CVE-2023-6484
Keycloak: log injection during webauthn authentication or registration
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.
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
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Keycloak: log injection during webauthn authentication or registration
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.
- Record
CVE-2023-6484- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-117
- Updated
- 2026-11-02
EUVDEUVD-2024-1229
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.
- Record
EUVD-2024-1229- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j628-q885-8gr5
Keycloak vulnerable to log Injection during WebAuthn authentication or registration
A flaw was found in keycloak 22.0.5. Errors in browser client during setup/auth with "Security Key login" (WebAuthn) are written into the form, send to Keycloak and logged without escaping allowing log injection.
Acknowledgements: Special thanks toTheresa Henze for reporting this issue and helping us improve our security.
- Record
GHSA-j628-q885-8gr5- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-117
- Updated
- 2026-11-02
NVD
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.
- Record
CVE-2023-6484- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-117
- Updated
- 2026-11-02
OSVGHSA-j628-q885-8gr5
Keycloak vulnerable to log Injection during WebAuthn authentication or registration
A flaw was found in keycloak 22.0.5. Errors in browser client during setup/auth with "Security Key login" (WebAuthn) are written into the form, send to Keycloak and logged without escaping allowing log injection.
Acknowledgements: Special thanks toTheresa Henze for reporting this issue and helping us improve our security.
- Record
GHSA-j628-q885-8gr5- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-117
- Updated
- 2026-11-02
OSVRHSA-2024:0798
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.7 security update on RHEL 7
- Record
RHSA-2024:0798- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
Show 5 moreShow less
OSVRHSA-2024:0799
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.7 security update on RHEL 8
- Record
RHSA-2024:0799- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
OSVRHSA-2024:0800
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.7 security update on RHEL 9
- Record
RHSA-2024:0800- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
OSVRHSA-2024:1860
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.8 enhancement and security update on RHEL 7
- Record
RHSA-2024:1860- 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-2024:1861
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.8 security update on RHEL 8
- Record
RHSA-2024:1861- 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-2024:1862
Red Hat Security Advisory: Red Hat Single Sign-On 7.6.8 security update on RHEL 9
- Record
RHSA-2024:1862- 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-servicesMaven |
before 22.0.9 | 22.0.9 |
org.keycloak:keycloak-servicesMaven |
23.0.0 up to 23.0.5 | 23.0.5 |
org.keycloak:keycloak-servicesMaven |
before 22.0.9, 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 |
22.0.9 |
org.keycloak:keycloak-servicesMaven |
23.0.0 up to 23.0.5, plus listed versions 23.0.123.0.223.0.323.0.4 |
23.0.5 |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el7 From an advisory covering 8 CVEs |
before 0:18.0.12-1.redhat_00001.1.el7sso | 0:18.0.12-1.redhat_00001.1.el7sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el7 From an advisory covering 8 CVEs |
before 0:18.0.12-1.redhat_00001.1.el7sso | 0:18.0.12-1.redhat_00001.1.el7sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el8 From an advisory covering 8 CVEs |
before 0:18.0.12-1.redhat_00001.1.el8sso | 0:18.0.12-1.redhat_00001.1.el8sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el8 From an advisory covering 8 CVEs |
before 0:18.0.12-1.redhat_00001.1.el8sso | 0:18.0.12-1.redhat_00001.1.el8sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el9 From an advisory covering 8 CVEs |
before 0:18.0.12-1.redhat_00001.1.el9sso | 0:18.0.12-1.redhat_00001.1.el9sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el9 From an advisory covering 8 CVEs |
before 0:18.0.12-1.redhat_00001.1.el9sso | 0:18.0.12-1.redhat_00001.1.el9sso |
Show 6 moreShow less
| Package | Affected | Fixed |
|---|---|---|
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el7 From an advisory covering 5 CVEs |
before 0:18.0.13-1.redhat_00001.1.el7sso | 0:18.0.13-1.redhat_00001.1.el7sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el7 From an advisory covering 5 CVEs |
before 0:18.0.13-1.redhat_00001.1.el7sso | 0:18.0.13-1.redhat_00001.1.el7sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el8 From an advisory covering 5 CVEs |
before 0:18.0.13-1.redhat_00001.1.el8sso | 0:18.0.13-1.redhat_00001.1.el8sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el8 From an advisory covering 5 CVEs |
before 0:18.0.13-1.redhat_00001.1.el8sso | 0:18.0.13-1.redhat_00001.1.el8sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7.6::el9 From an advisory covering 5 CVEs |
before 0:18.0.13-1.redhat_00001.1.el9sso | 0:18.0.13-1.redhat_00001.1.el9sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7.6::el9 From an advisory covering 5 CVEs |
before 0:18.0.13-1.redhat_00001.1.el9sso | 0:18.0.13-1.redhat_00001.1.el9sso |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-6484 is a medium vulnerability (CVSS 5.3) in Red Hat Build Of Keycloak 22, published April 17, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. Fixed in org.keycloak:keycloak-services 22.0.9.
References
access.redhat.com/errata/RHSA-2024:0798
Show 72 moreShow less
bugzilla.redhat.com/show_bug.cgi?id=2248423
github.com/advisories/GHSA-j628-q885-8gr5
nvd.nist.gov/vuln/detail/CVE-2023-6484
security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_0798.json
cve.org/CVERecord?id=CVE-2023-2976
openwall.com/lists/oss-security/2023/10/20/5
lists.apache.org/thread/vmqbp9mfxtrf0kmbnnmbn3h9j6dr9q55
Left out here: 110 versions. The JSON record has them.