Optimistic Locking/version Validation Bypass

Spring Data REST is vulnerable to improper handling of the persisted @Version property during HTTP PUT requests against immutable target types. The vulnerability is due to Spring Data REST failing to preserve the persisted version value of an aggregate root when processing a PUT request, which...

Authorization Bypass Through User-Controlled Key

Overview org.springframework.data:spring-data-rest-core is a Spring Data REST. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the PATCH process. An attacker can overwrite identifier and version properties by sending crafted RFC 6902 JSON...

Improper Enforcement of Behavioral Workflow

Overview org.springframework.data:spring-data-rest-core is a Spring Data REST. Affected versions of this package are vulnerable to Improper Enforcement of Behavioral Workflow via the handling of HTTP PUT requests against immutable aggregate types. An attacker can bypass optimistic-locking...

parse-server: MFA SMS one-time password accepted twice under concurrent login

Impact A race condition in the MFA SMS one-time password OTP login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive valid session tokens, breaking the single-use property of the OTP. The vulnerability requires the attacker to already possess the...

PT-2026-37307

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.76 Parse Server versions prior to 9.9.0-alpha.2 Description A race condition exists in the MFA SMS one-time password OTP login path. This allows two concurrent requests to the '/login' endpoint using the same...

GHSA-W73W-G5XW-RWHF Parse Server has an MFA single-use token bypass via concurrent authData login requests

Impact An attacker who possesses a valid authentication provider token and a single MFA recovery code or SMS one-time password can create multiple authenticated sessions by sending concurrent login requests via the authData login endpoint. This defeats the single-use guarantee of MFA recovery cod...

Parse Server has an MFA single-use token bypass via concurrent authData login requests

Impact An attacker who possesses a valid authentication provider token and a single MFA recovery code or SMS one-time password can create multiple authenticated sessions by sending concurrent login requests via the authData login endpoint. This defeats the single-use guarantee of MFA recovery cod...

PT-2026-28613

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.64 Parse Server versions prior to 9.7.0-alpha.8 Description Parse Server is an open source backend deployable on Node.js infrastructure. An attacker with a valid authentication provider token and a single MFA...

Parse Server: MFA recovery code single-use bypass via concurrent requests

Impact An attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending concurrent login requests. This defeats the single-use design of recovery codes. The attack requires the user's password, a valid recovery code, and...

GHSA-2299-GHJR-6VJP Parse Server: MFA recovery code single-use bypass via concurrent requests

Impact An attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending concurrent login requests. This defeats the single-use design of recovery codes. The attack requires the user's password, a valid recovery code, and...

PT-2026-24478

Name of the Vulnerable Software and Affected Versions Sylius versions 1.9.12, 1.10.16, 1.11.17, 1.12.23, 1.13.15, 1.14.18, 2.0.16, 2.1.12, and 2.2.3 and above Description Sylius, an Open Source eCommerce Framework on Symfony, contains a Time-of-Check To Time-of-Use TOCTOU race condition in the...