CVE-2026-25555

Published: Giu 08, 2026 Last Modified: Giu 08, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

OpenBullet2 through version 0.3.2 contains an authentication bypass vulnerability in the API key authentication middleware that allows unauthenticated attackers to gain admin access by supplying an empty X-Api-Key header value. Attackers can exploit the middleware's comparison of the supplied header against an empty AdminApiKey default string to access the admin console and all API endpoints without valid credentials.

305

Authentication Bypass by Primary Weakness

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism
Applicable Platforms
All platforms may be affected
View CWE Details
https://hackernoon.com/one-empty-header-to-admin-how-an-aut…
https://hackernoon.com/one-empty-header-to-admin-how-an-auth-bypass-breaks-open…
https://www.vulncheck.com/advisories/openbullet2-authentica…
https://www.vulncheck.com/advisories/openbullet2-authentication-bypass-via-x-ap…