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CVE-2019-9837

N/A
Published: March 15, 2019 at 11:00 PM UTC
Updated: June 17, 2026 at 02:44 AM UTC
1 product affected across 1 vendorOpenid Connect

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Severity
N/A
Exploit prediction
EPSS 1%

Description

Doorkeeper::OpenidConnect (aka the OpenID Connect extension for Doorkeeper) 1.4.x and 1.5.x before 1.5.4 has an open redirect via the redirect_uri field in an OAuth authorization request (that results in an error response) with the 'openid' scope and a prompt=none value. This allows phishing attacks against the authorization flow.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Openid Connect· Openid
95%
1.4.0 ≤ v < 1.5.4
Affected range stops below 1.5.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66

CVSS

5.8MEDIUM[email protected]
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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