CVE-2026-28008: CWE-290 Authentication Bypass by Spoofing in miniOrange OAuth Single Sign On – SSO (OAuth Client)
Unauthenticated Broken Authentication in OAuth Single Sign On – SSO (OAuth Client) <= 7.0.0 versions.
AI Analysis
Technical Summary
This vulnerability in miniOrange OAuth Single Sign On – SSO (OAuth Client) versions up to 7.0.0 involves broken authentication that allows unauthenticated attackers to bypass authentication controls by spoofing. The flaw is categorized as CWE-290 and results in a critical security risk with a CVSS score of 9.8, reflecting high impact on confidentiality, integrity, and availability. The vendor has not yet provided an official fix or remediation guidance, and the vulnerability is publicly disclosed as of August 2026.
Potential Impact
Successful exploitation of this vulnerability could allow attackers to bypass authentication without any privileges or user interaction, leading to complete compromise of the affected system's confidentiality, integrity, and availability. This could enable unauthorized access to sensitive data and administrative functions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling or restricting access to the affected plugin where possible and monitor vendor channels for updates.
CVE-2026-28008: CWE-290 Authentication Bypass by Spoofing in miniOrange OAuth Single Sign On – SSO (OAuth Client)
Description
Unauthenticated Broken Authentication in OAuth Single Sign On – SSO (OAuth Client) <= 7.0.0 versions.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in miniOrange OAuth Single Sign On – SSO (OAuth Client) versions up to 7.0.0 involves broken authentication that allows unauthenticated attackers to bypass authentication controls by spoofing. The flaw is categorized as CWE-290 and results in a critical security risk with a CVSS score of 9.8, reflecting high impact on confidentiality, integrity, and availability. The vendor has not yet provided an official fix or remediation guidance, and the vulnerability is publicly disclosed as of August 2026.
Potential Impact
Successful exploitation of this vulnerability could allow attackers to bypass authentication without any privileges or user interaction, leading to complete compromise of the affected system's confidentiality, integrity, and availability. This could enable unauthorized access to sensitive data and administrative functions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling or restricting access to the affected plugin where possible and monitor vendor channels for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-02-25T12:13:06.634Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7dcd33bf8831d539470115
Added to database: 08/13/2026, 13:57:07 UTC
Last enriched: 08/13/2026, 15:12:30 UTC
Last updated: 08/13/2026, 17:59:15 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.