CVE-2026-75628

Punk::OAuth2 versions before 0.03 for Perl have a same_origin_path validation flaw: backslash and tab characters in the return parameter pass the check, enabling open redirect to attacker-controlled sites after login. Per the URL Standard, backslash is treated as a slash for special schemes and t...

EUVD-2026-63189

Punk::OAuth2 versions before 0.03 for Perl allow an attacker-chosen off-site redirect after login because sameoriginpath accepts a backslash or tab in the return parameter. oauth2login reads the return parameter from the initiation request, runs sameoriginpath over it, and stores the survivor in...

PT-2026-78925

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.69 n8n versions prior to 2.33.4 n8n versions prior to 2.34.1 Description An SSRF Server-Side Request Forgery protection bypass exists during the OAuth2 credential authorization-code-to-access-token exchange. While...

EUVD-2026-62737

Etherpad is a real-time collaborative editor. From 2.1.0 until 3.1.0, Etherpad's src/node/handler/APIHandler.ts authorizes requests to /api/2/ in the authorizationcode OAuth path by using requiredClaims with the admin claim. This check requires only that the claim exists, while...

CVE-2026-55089 Etherpad: JWT `admin` claim presence-only check lets non-admin OAuth users invoke every Etherpad HTTP API endpoint

Etherpad is a real-time collaborative editor. From 2.1.0 until 3.1.0, Etherpad's src/node/handler/APIHandler.ts authorizes requests to /api/2/ in the authorizationcode OAuth path by using requiredClaims with the admin claim. This check requires only that the claim exists, while...

CVE-2026-55089 Etherpad: JWT `admin` claim presence-only check lets non-admin OAuth users invoke every Etherpad HTTP API endpoint

Etherpad is a real-time collaborative editor. From 2.1.0 until 3.1.0, Etherpad's src/node/handler/APIHandler.ts authorizes requests to /api/2/ in the authorizationcode OAuth path by using requiredClaims with the admin claim. This check requires only that the claim exists, while...

CVE-2026-55987

A flaw was found in Gitea. An attacker can reactivate an administrator-deactivated account by signing in via OAuth2, specifically when using authentication sources that do not utilize refresh tokens. This bypasses intended security controls, allowing unauthorized access to previously deactivated...

curl security update

An update is available for curl. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The curl packages provide the libcurl library and the curl utility for downloadi...

CRLF Injection

Apache CXF is vulnerable to CRLF Injection. The vulnerability is due to unsanitized clientId values from HTTP requests being directly included in OAuth2 server log messages, which allows an attacker to inject arbitrary content or forged log entries into server log files...

Authentication Bypass

org.apache.cxf, cxf-rt-rs-security-oauth2 is vulnerable to an Authentication Bypass. The vulnerability is due to a missing throw statement in the security context check, which allows an unauthenticated network attacker to access the /services/oauth2/introspect endpoint and perform token...

Improper Access Control

org.apache.cxf, cxf-rt-rs-security-oauth2 is vulnerable to an improper access control. The vulnerability is due to an inverted IP address validation check that rejects legitimate requests from the bound IP address while allowing requests from other IP addresses, which allows an attacker to bypass...

Important: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

curl: curl: Information disclosure via OAuth2 bearer token leakage during HTTP(S) redirect

A flaw was found in curl. When an OAuth2 bearer token is used for an HTTPS transfer that redirects to a second URL, curl could unintentionally leak the token. This occurs if the second hostname has entries in the .netrc file, allowing the bearer token intended for the first host to be sent to the...

curl: curl: Information disclosure via OAuth2 bearer token leakage during HTTP(S) redirect

A flaw was found in curl. When an OAuth2 bearer token is used for an HTTPS transfer that redirects to a second URL, curl could unintentionally leak the token. This occurs if the second hostname has entries in the .netrc file, allowing the bearer token intended for the first host to be sent to the...

CVE-2026-19349

Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends. Before redirecting to the identity provider, extractFormIn...

CVE-2026-19349 Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends

Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends. Before redirecting to the identity provider, extractFormIn...

CVE-2026-19349

Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends. Before redirecting to the identity provider, extractFormIn...

CVE-2026-19349 Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends

Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends. Before redirecting to the identity provider, extractFormIn...

EUVD-2026-59963

Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends. Before redirecting to the identity provider, extractFormIn...

CVE-2026-19349

Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends. Before redirecting to the identity provider, extractFormIn...