How severe is CVE-2023-34246?

CVE-2023-34246 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-34246 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34246?

CVE-2023-34246 affects Doorkeeper Project Doorkeeper. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34246?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-34246 published?

CVE-2023-34246 was published on 2023-06-12 and last updated on 2026-06-17.

CVE-2023-34246

CVE-2023-34246 is a medium-severity vulnerability in Doorkeeper Project Doorkeeper with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Doorkeeper Project Doorkeeper
Published: 2023-06-12
Last modified: 2026-06-17

Description

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape. Prior to version 5.6.6, Doorkeeper automatically processes authorization requests without user consent for public clients that have been previous approved. Public clients are inherently vulnerable to impersonation, their identity cannot be assured. This issue is fixed in version 5.6.6.

Frequently asked questions

What is CVE-2023-34246?: Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape. Prior to version 5.6.6, Doorkeeper automatically processes authorization requests without user consent for public clients that have been previous approved. Public clients are inherently vulnerable to impersonation, their identity cannot be assured. This issue is fixed in version 5.6.6.
How severe is CVE-2023-34246?: CVE-2023-34246 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-34246 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34246?: CVE-2023-34246 affects Doorkeeper Project Doorkeeper. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34246?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-34246 published?: CVE-2023-34246 was published on 2023-06-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:ruby:*:*

More vulnerabilities in Doorkeeper Project Doorkeeper

CVE-2016-6582 — Critical (CVSS 9.1): The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary…
CVE-2020-10187 — High (CVSS 7.5): Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows an attacker to retrieve…
CVE-2018-1000211 — High (CVSS 7.5): Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's…
CVE-2014-8144 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in doorkeeper before 1.4.1 allows remote attackers to hijack the…
CVE-2018-1000088 — Medium (CVSS 6.1): Doorkeeper version 2.1.0 through 4.2.5 contains a Cross Site Scripting (XSS) vulnerability in web view's OAuth app…

All CVEs affecting Doorkeeper Project Doorkeeper →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →