CVE-2026-50137 Budibase: POST /api/attachments/:datasourceId/url is unauthenticated and lets anonymous callers mint S3 PUT pre-signed URLs using stored datasource IAM credentials

Budibase is an open-source low-code platform. Prior to 3.39.0, an anonymous attacker who knows or can enumerate a workspace id app... and an S3-source datasource id ds... can call this endpoint with no auth and obtain a 15-minute pre-signed PUT URL minted on the victim's IAM identity. The endpoin...

CVE-2026-36176

GNCC GP5 v7.1.76 was discovered to store pre-signed Backblaze B2 upload URLs PUT requests in plaintext to the serial console. This allows physically-proximate attackers to extract these active tokens to perform unauthorized operations via monitoring the serial UART interface...

CVE-2026-36176

GNCC GP5 v7.1.76 was discovered to store pre-signed Backblaze B2 upload URLs PUT requests in plaintext to the serial console. This allows physically-proximate attackers to extract these active tokens to perform unauthorized operations via monitoring the serial UART interface...

CVE-2023-49105

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no...

ownCloud 10.6.x < 10.13.1 Authentication Bypass Vulnerability

ownCloud is prone to an authentication bypass vulnerability. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:owncloud:owncloud";...

WebDAV Api Authentication Bypass using Pre-Signed URLs - ownCloud

It is possible to access, modify or delete any file without authentication if the username of the victim is known and the victim has no signing-key configured which is the default...

CVE-2023-49105

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no...

CVE-2023-49105

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no...

CVE-2023-49105

CVE-2023-49105 — ownCloud core vulnerability (pre-signed URLs) highly critical . In ownCloud core prior to 10.13.1, an attacker who knows a victim’s username and if the victim has no signing-key configured can access, modify, or delete any file without authentication because pre-signed URLs are a...

PT-2023-7303

Name of the Vulnerable Software and Affected Versions ownCloud versions 10.6.0 through 10.13.0 Description An issue was discovered in ownCloud that allows an attacker to access, modify, or delete any file without authentication if the username of a victim is known and the victim has no signing-ke...

CVE-2023-49105

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no...