CVE-2026-4644
A Missing Authorization vulnerability in HTTP Connector in Google Cloud Integration Connectors versions prior to 2025-12-11 on Google Cloud
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KEV
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Exploit Today
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Published: Sep 4, 2026 · Last modified: Sep 4, 2026 · CWE-863
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A Missing Authorization vulnerability in HTTP Connector in Google Cloud Integration Connectors versions prior to 2025-12-11 on Google Cloud Platform allows an authenticated user to escalate privileges and take over a Google Cloud Project using unauthorized service account attachment. This vulnerability was patched on 11 December 2025, and no customer action is needed.
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-537696.5 MED—
——0Avo is a framework to create admin panels for Ruby on Rails apps. From version 2.28.0 to before version 3.32.0, Avo's direct attachment upload endpoint lacks server-side upload authorization and bypasses the documented field-level upload policy methods such as upload_{FIELD_ID}?. An authenticated Avo user who can reach the Avo attachment upload endpoint can replace or add attachment content, including binary content, filename, and content-type metadata, on a resolved record even when both update? and upload_<field>? policies deny the operation. This primarily affects multi-role Avo Pro/Advanced-style deployments where non-administrator or restricted operator users can reach Avo and per-record or per-field operations are expected to be enforced by policies. This issue has been patched in version 3.32.0.17hCVE-2026-169414.3 MED—
——0IBM i 7.6, 7.5, and 7.4 could allow a remote authenticated attacker to modify certain system messages due to improper authorization.21hCVE-2026-192837.7 HIG—
——0IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system namespace into an attacker-controlled namespace.22hCVE-2026-856976.5 MED—
——0Documenso 2.17.0 contains an access control vulnerability in the PDF-serving endpoint that fails to validate document visibility settings. Attackers with low privileges can read restricted documents within their team or cross-tenant by leveraging missing ownership validation on document data identifiers.20hCVE-2026-856225.3 MED—
——0AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establish_ws_connection_v2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object identifiers to read full document or database state from collaborations in other workspaces without victim involvement.22hCVE-2026-856208.6 HIG—
——0Postgres MCP Pro 0.3.0 contains a restricted-mode bypass vulnerability where function-name validation is not applied to RangeFunction nodes in FROM clauses. Attackers can execute file-reading functions like pg_read_file through FROM-clause syntax to read arbitrary files despite restricted-mode protections.23h