CVE-2026-53424 Missing one-time-use enforcement in Samly allows replay of SAML bearer assertions

Authentication Bypass by Capture-replay vulnerability in dropbox samly allows an attacker to authenticate as the subject of a captured SAML assertion by resubmitting it. Samly.Helper.decodeidpauthresp/3 in lib/samly/helper.ex calls esamlsp:validateassertion/2, whose default duplicate detector is ...

CVE-2026-18967

A flaw was found in the SAML broker component of Keycloak, an identity and access management solution. When configured as a SAML broker using the IdP-Initiated flow, Keycloak fails to enforce the OneTimeUse condition in SAML assertions. This allows an attacker who captures a valid, unused asserti...

CVE-2026-18967 Keycloak-services: keycloak-services: saml onetimeuse assertion replay in idp-initiated broker flow

A flaw was found in the SAML broker component of Keycloak, an identity and access management solution. When configured as a SAML broker using the IdP-Initiated flow, Keycloak fails to enforce the OneTimeUse condition in SAML assertions. This allows an attacker who captures a valid, unused asserti...

EUVD-2026-53716

A flaw was found in the SAML broker component of Keycloak, an identity and access management solution. When configured as a SAML broker using the IdP-Initiated flow, Keycloak fails to enforce the OneTimeUse condition in SAML assertions. This allows an attacker who captures a valid, unused asserti...

CVE-2026-18967

The CVE affects Keycloak’s SAML broker component when configured as an IdP-Initiated flow. The vulnerability arises because OneTimeUse in SAML assertions is not enforced, allowing an attacker who captures a valid, unused assertion to replay it and potentially hijack a user’s session, granting una...

CVE-2026-18967

A flaw was found in the SAML broker component of Keycloak, an identity and access management solution. When configured as a SAML broker using the IdP-Initiated flow, Keycloak fails to enforce the OneTimeUse condition in SAML assertions. This allows an attacker who captures a valid, unused asserti...

CVE-2026-55370 Logto: TOTP code can be replayed within the RFC 6238 validity window (one-time use violation)

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's existing TOTP verification accepted a successfully used TOTP code again while the code remained inside the RFC 6238 acceptance window because the verifier used otplib's stateless check with window ...

SUSE CVE-2026-44946

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

CVE-2026-44946 SAML Authentication Replay in Rancher

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

CVE-2026-44946

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

CVE-2026-44946 SAML Authentication Replay in Rancher

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

CVE-2026-44946

CVE-2026-44946 describes a SAML authentication replay vulnerability in Rancher’s Assertion Consumer Service (ACS) handler, where one-time use of SAML assertions was not enforced. The issue can enable man‑in‑the‑middle style abuse against Rancher, affecting Rancher 2.14.0 up to (but not including)...

CVE-2026-44946 SAML Authentication Replay in Rancher

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

PT-2026-53861

Name of the Vulnerable Software and Affected Versions Rancher versions 2.14.0 through 2.14.2 Rancher versions 2.13.0 through 2.13.6 Rancher versions 2.12.0 through 2.12.10 Rancher versions 2.11.0 through 2.11.14 Description A SAML authentication replay issue exists in the Assertion Consumer Servi...

Spring Web Services: WSS4J validation does not use configured replay cache

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be...

CVE-2026-41000

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be...

CVE-2026-41000 WSS4J validation does not use configured replay cache

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be...

EUVD-2026-36210

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be...

CVE-2026-41000 WSS4J validation does not use configured replay cache

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be...

CVE-2026-41000 WSS4J validation does not use configured replay cache

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be...