CVE-2026-71259

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the externalcomponents YAML directive's git source schema,...

CVE-2026-71259 ESPHome external_components file:// Scheme Validation Bypass Leading to Remote Code Execution

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the externalcomponents YAML directive's git source schema,...

EUVD-2026-53332

nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus client-side recvreaddeviceidentificationres function FC 0x2B/MEI 0x0E, Read Device Identification in nanomodbus.c. The server-supplied objectlength field 0-246 is validated only against the remaining PDU size ressizeleft and...

CVE-2026-71255 nanoMODBUS Client-Side Out-of-Bounds Write via object_length in recv_read_device_identification_res()

nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus client-side recvreaddeviceidentificationres function FC 0x2B/MEI 0x0E, Read Device Identification in nanomodbus.c. The server-supplied objectlength field 0-246 is validated only against the remaining PDU size ressizeleft and...

net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

EUVD-2026-53330

The wp-downloadmanager WordPress plugin, in version 1.68.11 also affecting the 6.9.4 release line, allows an admin-privileged user currentusercan'managedownloads' to upload arbitrary files via download-add.php with no extension or MIME-type validation of any kind - no wpcheckfiletypeandext, no...

CVE-2026-18933 wp-downloadmanager - Unrestricted File Upload via Missing Extension/MIME Validation and Path Traversal

The wp-downloadmanager WordPress plugin, in version 1.68.11 also affecting the 6.9.4 release line, allows an admin-privileged user currentusercan'managedownloads' to upload arbitrary files via download-add.php with no extension or MIME-type validation of any kind - no wpcheckfiletypeandext, no...

CVE-2026-18933

The wp-downloadmanager WordPress plugin, in version 1.68.11 also affecting the 6.9.4 release line, allows an admin-privileged user currentusercan'managedownloads' to upload arbitrary files via download-add.php with no extension or MIME-type validation of any kind - no wpcheckfiletypeandext, no...

CVE-2026-18933

The wp-downloadmanager plugin (v1.68.11, also affecting the 6.9.4 line) allows an admin user to upload arbitrary files via download-add.php without any extension/MIME validation or traversal protection. The destination path is built from unsanitized $_POST['file_upload_to'], and since the base pa...

CVE-2026-71250

Firefly III is reported vulnerable due to IsValidWebhookUrl.php: the validator explicitly allows any address in 127.0.0.0/8, enabling an authenticated user with webhooks enabled to configure a webhook targeting loopback services on the server. Furthermore, the validator resolves the target once v...

CVE-2026-71250

Firefly III's webhook URL validator IsValidWebhookUrl.php filters most private/reserved IPv4 ranges but contains an explicit early-return that allows any resolved address in 127.0.0.0/8, permitting an authenticated user with webhooks enabled, which is off by default to configure a webhook targeti...

CVE-2026-71250 Firefly III - Webhook URL Validation Explicitly Allows Loopback and Is Bypassable via DNS Rebinding

Firefly III's webhook URL validator IsValidWebhookUrl.php filters most private/reserved IPv4 ranges but contains an explicit early-return that allows any resolved address in 127.0.0.0/8, permitting an authenticated user with webhooks enabled, which is off by default to configure a webhook targeti...

CVE-2026-71250 Firefly III - Webhook URL Validation Explicitly Allows Loopback and Is Bypassable via DNS Rebinding

Firefly III's webhook URL validator IsValidWebhookUrl.php filters most private/reserved IPv4 ranges but contains an explicit early-return that allows any resolved address in 127.0.0.0/8, permitting an authenticated user with webhooks enabled, which is off by default to configure a webhook targeti...

EUVD-2026-53319

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

CVE-2026-71246 Pixelfed - Authenticated SSRF via Remote URL Search

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

CVE-2026-71246 Pixelfed - Authenticated SSRF via Remote URL Search

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

CVE-2026-71246

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

Session Hijacking

MCP Ruby SDK is vulnerable to Session Hijacking. The vulnerability is due to missing session ownership validation in StreamableHTTPTransport, allowing attackers with a stolen session ID to execute tool calls within the victim's session...

CVE-2026-12259

A flaw was found in nltk. The nltk.downloader.Downloader.downloadpackage function does not enforce SHA-256 or MD5 checksum validation before writing and extracting downloaded package bytes to disk. A remote attacker can exploit this by tampering with the package response body through a compromise...