PYSEC-2026-4168 social-auth-core has a Session Fixation issue

Impact The partial-pipeline resume mechanism accepted partialtoken as a bearer credential without binding it to the browser session that created it. Applications using resumable partial pipeline steps could allow an attacker to start an authentication flow, obtain a valid partial token and...

social-auth-core has a Session Fixation issue

ImpactThe partial-pipeline resume mechanism accepted partialtoken as a bearer credential without binding it to the browser session that created it.Applications using resumable partial pipeline steps could allow an attacker to start an authentication flow, obtain a valid partial token and...

Nautobot: Stored cross-site scripting (XSS) in object create/edit form help text

ImpactWhat kind of vulnerability is it? Who is impacted?It has two related instances that share the same root cause: a user-controlled model field is assigned verbatim to a form field's helptext, which is rendered with Django's |safe filter renderfield.html, bypassing auto-escaping.In both cases...

PYSEC-2026-4110 Nautobot: Stored cross-site scripting (XSS) in object create/edit form help text

Impact What kind of vulnerability is it? Who is impacted? It has two related instances that share the same root cause: a user-controlled model field is assigned verbatim to a form field's helptext, which is rendered with Django's |safe filter renderfield.html, bypassing auto-escaping. In both cas...

PYSEC-2026-4043 djust: SSE sessions are not bound to the authenticated user; the client-chosen session_id is the sole authorization capability (session hijack)

Impact SSE sessions were keyed solely by a client-chosen sessionid with no binding to the authenticated user — a control the WebSocket transport has but that was dropped on SSE. An attacker who learns or a victim who leaks a sessionid could connect to the message endpoint and dispatch event...

djust: SSE sessions are not bound to the authenticated user; the client-chosen session_id is the sole authorization capability (session hijack)

ImpactSSE sessions were keyed solely by a client-chosen sessionid with no binding to the authenticated user — a control the WebSocket transport has but that was dropped on SSE. An attacker who learns or a victim who leaks a sessionid could connect to the message endpoint and dispatch event handle...

Open WebUI: A user's session cookies are sent to tool servers configured for bearer authentication

SummaryWhen more than one external tool server is reachable in the same request, a tool call to a server configured for bearer authentication can arrive carrying the calling user's Open WebUI session cookies alongside that server's own key. The cookie jar is built per connection, but the callable...

PYSEC-2026-4124 Open WebUI: A user's session cookies are sent to tool servers configured for bearer authentication

Summary When more than one external tool server is reachable in the same request, a tool call to a server configured for bearer authentication can arrive carrying the calling user's Open WebUI session cookies alongside that server's own key. The cookie jar is built per connection, but the callabl...

PYSEC-2026-4119 Open WebUI: Users denied by the OAuth domain allowlist or role policy can still sign in via token exchange

Summary Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without applying the email domain allowlist that the normal OAuth login callback enforces. An account whose email domain the login callback would refuse could still obtain a working session through thi...

foreman-mcp-server Inserts Sensitive Information into Log File

A flaw was found in foreman-mcp-server. This component utilizes two distinct logging mechanisms that can expose sensitive session and authentication data. One mechanism logs session identifiers, which are treated as authentication credentials, at an informational level. The other, when debug...

BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens

A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function getredirectresponsefromopenid of the file litellm/proxy/managementendpoints/uisso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carri...

Chainlit contains a session hijacking vulnerability

Chainlit before 2.10.1 contains a session hijacking vulnerability that allows unauthenticated attackers to restore and inherit authenticated user sessions by presenting a valid sessionId during WebSocket session restoration without ownership verification. Attackers can exploit the...

PYSEC-2026-4050 foreman-mcp-server Inserts Sensitive Information into Log File

A flaw was found in foreman-mcp-server. This component utilizes two distinct logging mechanisms that can expose sensitive session and authentication data. One mechanism logs session identifiers, which are treated as authentication credentials, at an informational level. The other, when debug...

PYSEC-2026-4076 BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens

A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function getredirectresponsefromopenid of the file litellm/proxy/managementendpoints/uisso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carri...

PYSEC-2026-4028 Chainlit contains a session hijacking vulnerability

Chainlit before 2.10.1 contains a session hijacking vulnerability that allows unauthenticated attackers to restore and inherit authenticated user sessions by presenting a valid sessionId during WebSocket session restoration without ownership verification. Attackers can exploit the...

LiteLLM: PROXY_ADMIN database API Key Generator Has Insufficient Session Expiration

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticateuser of the file litellm/proxy/auth/loginutils.py of the component PROXYADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated...

PYSEC-2026-4073 LiteLLM: PROXY_ADMIN database API Key Generator Has Insufficient Session Expiration

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticateuser of the file litellm/proxy/auth/loginutils.py of the component PROXYADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated...

tomcat: Apache Tomcat: Authenticated WebSocket session persists after HTTP session termination

A flaw was found in Apache Tomcat. This vulnerability, categorized as Insufficient Session Expiration, occurs when an authenticated HTTP session's ID is modified after a WebSocket connection has been established. Under these conditions, the WebSocket session fails to terminate as expected when th...

EUVD-2026-90896

Use After Free vulnerability in Apache HTTP Server's modhttp2 via shared session-bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-57941 Apache HTTP Server: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy

Use After Free vulnerability in Apache HTTP Server's modhttp2 via shared session-bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...