CVE-2026-53424

CVE-2026-53424 is an authentication bypass by capture-replay in dropbox/samly , a SAML service provider library for Elixir, affecting versions 0.3.0 and later . The root cause is that Samly.Helper.decode_idp_auth_resp/3 calls esaml_sp:validate_assertion/2, whose default duplicate detector is a no...

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 ...

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

Summary 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...

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 ...

EUVD-2026-63490

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 ...

EUVD-2026-63489

Insufficient Verification of Data Authenticity vulnerability in dropbox samly allows an attacker to establish an authenticated session using a SAML response the service provider never requested. Samly.SPHandler.validateauthresp/3 in lib/samly/sphandler.ex validates a SAML response for the...

CVE-2026-53425 Missing InResponseTo validation in Samly allows acceptance of unsolicited SAML responses

Insufficient Verification of Data Authenticity vulnerability in dropbox samly allows an attacker to establish an authenticated session using a SAML response the service provider never requested. Samly.SPHandler.validateauthresp/3 in lib/samly/sphandler.ex validates a SAML response for the...

CVE-2026-53425

CVE-2026-53425 is an Insufficient Verification of Data Authenticity vulnerability in Dropbox Samly (Elixir SAML library), affecting versions 0.3.0 and later . The function Samly.SPHandler.validate_authresp/3 in lib/samly/sp_handler.ex never compares SubjectConfirmationData/@InResponseTo against t...

CVE-2026-53425 Missing InResponseTo validation in Samly allows acceptance of unsolicited SAML responses

Insufficient Verification of Data Authenticity vulnerability in dropbox samly allows an attacker to establish an authenticated session using a SAML response the service provider never requested. Samly.SPHandler.validateauthresp/3 in lib/samly/sphandler.ex validates a SAML response for the...

EEF-CVE-2026-53425 Missing InResponseTo validation in Samly allows acceptance of unsolicited SAML responses

Summary Insufficient Verification of Data Authenticity vulnerability in dropbox samly allows an attacker to establish an authenticated session using a SAML response the service provider never requested. Samly.SPHandler.validateauthresp/3 in lib/samly/sphandler.ex validates a SAML response for the...

Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers

Citrix has released updates to address two security flaws impacting NetScaler ADC and NetScaler Gateway deployments, including a critical-severity authentication bypass vulnerability. According to the cloud computing and virtualization technology company, the issues affect customer-managed...

EUVD-2026-63108

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the "admin" or "power" Splunk roles could read sensitive Security Assertion Markup Language setup and instance settings information...

PT-2026-79073

Name of the Vulnerable Software and Affected Versions dropbox samly versions 0.3.0 and later Description An issue exists where the service provider fails to properly verify the authenticity of SAML responses. Specifically, the validate authresp/3 function in lib/samly/sp handler.ex does not compa...

CVE-2026-53425: Insufficient Verification of Data Authenticity

Insufficient Verification of Data Authenticity vulnerability in dropbox samly allows an attacker to establish an authenticated session using a SAML response the service provider never requested. Samly.SPHandler.validateauthresp/3 in lib/samly/sphandler.ex validates a SAML response for the...

Linux Distros Unpatched Vulnerability : CVE-2026-49289

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. In 4.19.2 and 4.20.2, the library permits attacker-controlled XPath transforms...

CVE-2026-53424: Authentication Bypass by Capture-replay

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 ...

PT-2026-79072

Name of the Vulnerable Software and Affected Versions dropbox samly versions 0.3.0 and later Description An authentication bypass exists where an attacker can authenticate as the subject of a captured SAML assertion by resubmitting it. This occurs because the function decode idp auth resp/3 in...

CVE-2026-76256

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the "admin" or "power" Splunk roles could read sensitive Security Assertion Markup Language setup and instance settings information...

CVE-2026-76256

CVE-2026-76256 is an information disclosure vulnerability in Splunk Enterprise (versions below 10.4.2, 10.2.6, 10.0.9, 9.4.14) and Splunk Secure Gateway (versions below 3.10.9, 3.9.23, 3.8.70). The root cause is that SAML setup and instance settings REST API endpoints do not enforce authorization...

CVE-2026-76256 Information Exposure through REST API Endpoints in Splunk Secure Gateway

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the "admin" or "power" Splunk roles could read sensitive Security Assertion Markup Language setup and instance settings information...