Flask-Security-Too OAuth reauthentication freshness bypass via cross- user OAuth identity acceptance

Summary Flask-Security-Too 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim session, they can complete OAuth verification using their own OAuth...

PYSEC-2026-3420 wger: Privilege escalation via trainer-login session chaining allows gym trainer to impersonate gym manager

Summary A gym trainer can escalate their session to any higher-privileged account gym manager, general manager by chaining two calls to the trainer-login endpoint. Once a trainer performs a legitimate switch into a low-privileged user, the session flag trainer.identity is set and this flag alone...

PYSEC-2026-2998 pyLoad Has Incomplete Fix for CVE-2026-33509 -storage_folder Bypass via Session Directory in pyLoad

Summary The fix for CVE-2026-33509 prevents setting storagefolder inside PKGDIR or userdir, but does NOT protect the Flask session directory /tmp/pyLoad/flask. An authenticated attacker can set storagefolder to the session directory and download session files of other users via /files/get/, leadi...

PYSEC-2026-2865 pgAdmin 4 has deserialization of untrusted data in its FileBackedSessionManager

Deserialization of untrusted data CWE-502 in pgAdmin 4 FileBackedSessionManager. The session manager performed unsafe deserialization of session-file contents using Python's standard object-serialization module before performing any HMAC integrity check. Any file dropped into the sessions directo...

PYSEC-2026-2697 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access Affected Component Socket.IO session state and role-check callsites: - backend/openwebui/socket/main.py lines 330-351, connect handler — role snapshotted into SESSIONPOOL - backend/openwebui/socket/main.py lin...

PYSEC-2026-2520 OpenStack Horizon has Incorrect Behavior Order

An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix...

PYSEC-2026-2369 apache-airflow-providers-keycloak: Missing OAuth 2.0 State and PKCE Enables Login CSRF and Session Fixation

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

PYSEC-2026-2990 pyLoad has Stale Session Privilege After Role/Permission Change (Privilege Revocation Bypass)

Summary pyLoad caches role and permission in the session at login and continues to authorize requests using these cached values, even after an admin changes the user's role/permissions in the database. As a result, an already logged-in user can keep old revoked privileges until logout/session...

PYSEC-2026-2612 parisneo/lollms has an insufficient session expiration vulnerability

An insufficient session expiration vulnerability exists in the latest version of parisneo/lollms. The application fails to invalidate active sessions after a password reset, allowing an attacker to continue using an old session token. This issue arises due to the absence of logic to reject reques...

PYSEC-2026-2989 pyLoad: Unprotected storage_folder enables arbitrary file write to Flask session store and code execution (Incomplete fix for CVE-2026-33509)

Summary The fix for CVE-2026-33509 GHSA-r7mc-x6x7-cqxx added an ADMINONLYOPTIONS set to block non-admin users from modifying security-critical config options. The storagefolder option is not in this set and passes the existing path restriction because the Flask session directory is outside both...

PYSEC-2026-3054 Rucio WebUI has a Stored Cross-site Scripting (XSS) vulnerability its Identity Name

Summary A stored Cross-site Scripting XSS vulnerability was identified in the Identity Name of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of the Web...

PYSEC-2026-3055 Rucio WebUI has a Stored Cross-site Scripting (XSS) Vulnerability in its Custom RSE Attribute

Summary A stored Cross-site Scripting XSS vulnerability was identified in the Custom RSE Attribute of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of...

PYSEC-2026-3056 Rucio WebUI has a Reflected Cross-site Scripting Vulnerability

Summary A reflected Cross-site Scripting vulnerability was located in the rendering of the ExceptionMessage of the WebUI 500 error which could allow attackers to steal login session tokens of users who navigate to a specially crafted URL. Details The WebUI error message renders ExceptionMessage...

Security Bulletin: IBM Operations Analytics - Log Analysis is affected by a TOCTOU weakness allowing active sessions to persist beyond a password change

Summary IBM Operations Analytics - Log Analysis contains a Time-Of-Check to Time-Of-Use TOCTOU weakness in its built-in user password management feature. The built-in authentication module of IBM Operations Analytics - Log Analysis is used by IBM Operations Analytics - Log Analysis as part of the...

EUVD-2026-43315

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation...

CVE-2026-9597

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation...

Vulnerabilities in Palo Alto Networks PAN-OS

Palo Alto Networks has identified several vulnerabilities in the PAN-OS software, particularly in PA-Series and VM-Series firewalls, as well as the Panorama management platform. These vulnerabilities affect various components of PAN-OS. - There are several XSS vulnerabilities in the User-ID...

CVE-2026-9597 Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation...

CVE-2026-9597

Mattermost advisory MMSA-2026-00681 documents a vulnerability in Mattermost where versions 11.7.x <= 11.7.2 and 11.6.x

BIT-GITLAB-2026-13320 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper...