CVE-2026-65838 Skipper: an oversized declared-`Content-Length` body still hands OPA an empty `parsed_body`, so deny-on-presence Rego policies fail OPEN while the full payload reaches upstream

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.27.35, the opaAuthorizeRequestWithBody filter in filters/openpolicyagent/openpolicyagent.go can allow an oversized declared Content-Length request to bypass a deny-on-presence Rego policy because...

CVE-2026-57122 PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPPAPPSECRET or LINEARWEBHOOKSECRET is configured and otherwise parse and dispatch unsigned request bodies. A remote unauthenticated client that reaches the...

CVE-2026-57122 PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPPAPPSECRET or LINEARWEBHOOKSECRET is configured and otherwise parse and dispatch unsigned request bodies. A remote unauthenticated client that reaches the...

CVE-2026-57122

PraisonAI (a multi-agent LLM framework) is vulnerable to fail-open webhook signature verification in its WhatsApp and Linear bot adapters prior to 4.6.59 . When WHATSAPP_APP_SECRET or LINEAR_WEBHOOK_SECRET is unset—the default on a fresh install —the _handle_webhook handler skips HMAC-SHA256 veri...

CVE-2026-57122 PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPPAPPSECRET or LINEARWEBHOOKSECRET is configured and otherwise parse and dispatch unsigned request bodies. A remote unauthenticated client that reaches the...

CVE-2026-56839 PraisonAI Code agent tools fail open without a workspace boundary

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the CODETOOLS wrappers keep workspaceroot as None and pass workspace=None to readfile, searchreplace, and applydiff helpers that enforce path containment only for a truthy workspace. An application that exposes codereadfile,...

CVE-2026-56839

PraisonAI (Python package praisonai), a multi-agent LLM framework, is affected by a fail-open workspace boundary in its CODE_TOOLS wrappers. Prior to 4.6.59 , the global variable _workspace_root defaults to None, and the lower-level helpers (read_file, search_replace, apply_diff) only enforce pat...

CVE-2026-56839 PraisonAI Code agent tools fail open without a workspace boundary

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the CODETOOLS wrappers keep workspaceroot as None and pass workspace=None to readfile, searchreplace, and applydiff helpers that enforce path containment only for a truthy workspace. An application that exposes codereadfile,...

EUVD-2026-76743

The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user...

CVE-2026-90450

The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user...

CVE-2026-90450 Incorrect Authorization in Malcolm

The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user...

CVE-2026-90450 Incorrect Authorization in Malcolm

The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user...

CVE-2026-90450

CVE-2026-90450 is a fail-open authorization flaw in which the application's role-authorization lookup grants access by default when a request handler is not present in its table of role requirements. Consequently, any request handler not explicitly registered in the table is reachable by any auth...

CVE-2026-90450 Incorrect Authorization in Malcolm

The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user...

BIT-TOMCAT-2026-68569 Apache Tomcat: Principal lookup can fail open in some cases

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through 10.1.57, fr...

CVE-2026-90450: Incorrect Authorization

The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user...

PT-2026-90519

The application's role-authorization lookup defaults to granting access when a request handler's name is not present in its table of role requirements, rather than defaulting to deny. Any request handler that is not explicitly registered in this table is reachable by any authenticated user...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107318)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107318 advisory. In the Linux kernel, the following vulnerability has been resolved: ethtool: fail closed if we can't get max channel used in indirection tables Commit 0d1b7d6c9274...

n8n: GitHub Trigger 422 Reuse Path Skips Webhook Secret Storage, Causing Signature Verification to Fail-Open

Impact The GitHub Trigger generated a signing secret when it registered a webhook and verified X-Hub-Signature-256 on each delivery. When GitHub answered the create request with a 422 because a webhook for the URL already existed, the node adopted the remote hook but kept only its id and events,...

NPM: n8n: GitHub Trigger 422 Reuse Path Skips Webhook Secret Storage, Causing Signature Verification to Fail-Open

NPM: n8n: GitHub Trigger 422 Reuse Path Skips Webhook Secret Storage, Causing Signature Verification to Fail-Open vulnerability discovered by ? in WordPress Npm n8n versions 1.123.76...