EUVD-2026-54155

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.6, the bootstrap challenge endpoint at /api/tenants/id/appointments/bootstrap-challenge issues a SHA-256 proof-of-work with difficulty=4 hex zeros, equivalent to 16 bit...

CVE-2026-48082 OpenReception's bootstrap challenge proof-of-work difficulty hardcoded to 16 bits, which enables abuse rate amplification

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.6, the bootstrap challenge endpoint at /api/tenants/id/appointments/bootstrap-challenge issues a SHA-256 proof-of-work with difficulty=4 hex zeros, equivalent to 16 bit...

EUVD-2026-54150

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.2, when a user navigates to the /logout page, the page's server-side load handler deletes the accesstoken cookie before calling /api/auth/logout via an internal...

CVE-2026-48079 OpenReception's logout page clears local access_token before server-side revocation, leaving duplicated tokens valid until expiry

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.2, when a user navigates to the /logout page, the page's server-side load handler deletes the accesstoken cookie before calling /api/auth/logout via an internal...

CVE-2026-48076 OpenReception's bootstrap booking flow allows unauthenticated booking on isPublic=false channels

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. The new-client booking flow in versions 1.0.1 and prior consists of three calls: bootstrap-challenge returns a 16-bit PoW challenge with difficulty=4 leading hex zeroes, bootstrap-verify...

CVE-2026-48076 OpenReception's bootstrap booking flow allows unauthenticated booking on isPublic=false channels

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. The new-client booking flow in versions 1.0.1 and prior consists of three calls: bootstrap-challenge returns a 16-bit PoW challenge with difficulty=4 leading hex zeroes, bootstrap-verify...

EUVD-2026-54145

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. The new-client booking flow in versions 1.0.1 and prior consists of three calls: bootstrap-challenge returns a 16-bit PoW challenge with difficulty=4 leading hex zeroes, bootstrap-verify...

CVE-2026-48076

OpenReception’s bootstrap booking flow (versions ≤1.0.1) is vulnerable to an unauthenticated booking against private channels due to a missing channel binding in the booking token. The 3-step flow: bootstrap-challenge (PoW), bootstrap-verify (issues a booking access token), and create-new-client ...

CVE-2026-48076 OpenReception's bootstrap booking flow allows unauthenticated booking on isPublic=false channels

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. The new-client booking flow in versions 1.0.1 and prior consists of three calls: bootstrap-challenge returns a 16-bit PoW challenge with difficulty=4 leading hex zeroes, bootstrap-verify...

Improper Verification of Cryptographic Signature

Overview org.apache.cxf:cxf-rt-rs-security-sso-oidc is an Apache CXF Runtime OpenId Connect library. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the OpenID Connect Hybrid Flow when the chash parameter is not validated. An attacker can...

CVE-2026-57817

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the chash parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider IdP that omits the chash, the RP becomes vulnerable to Authorization Code...

CVE-2026-57817 Apache CXF: The authorization code hash (c_hash) is not enforced for the hybrid OIDC flow

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the chash parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider IdP that omits the chash, the RP becomes vulnerable to Authorization Code...

CVE-2026-57817

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the chash parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider IdP that omits the chash, the RP becomes vulnerable to Authorization Code...

EUVD-2026-53855

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the chash parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider IdP that omits the chash, the RP becomes vulnerable to Authorization Code...

CVE-2026-57817

A flaw in Apache CXF allows for Authorization Code Substitution/Injection attacks during the OpenID Connect Hybrid Flow. The vulnerability occurs because the cxf-rt-rs-security-sso-oidc library (and the broader cxf component) fails to enforce the validation of the c_hash parameter, as required by...

CVE-2026-57817 Apache CXF: The authorization code hash (c_hash) is not enforced for the hybrid OIDC flow

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the chash parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider IdP that omits the chash, the RP becomes vulnerable to Authorization Code...

CVE-2025-12627

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions. This allows an attacker who has obtained an access token for an impersonated user to leverage the refresh token grant to obtain new access tokens, extending their...

CVE-2025-15039

CVE-2025-15039 concerns the Conditional Authentication (Adaptive Authentication) script in multiple WSO2 products. The flaw is that the script does not properly enforce completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configure...

CVE-2025-12627

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions. This allows an attacker who has obtained an access token for an impersonated user to leverage the refresh token grant to obtain new access tokens, extending their...

CVE-2025-12627

WSO2 Identity Server is affected by CVE-2025-12627 due to improper refresh token handling in the user impersonation flow. If an attacker has an impersonated access token, they can use the refresh_token grant to obtain new access tokens, extending their ability to act as the impersonated user. Thi...