EUVD-2026-42550

The Hydra Booking – Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 1.2.1 via the /wp-json/hydra-booking/v1/booking/details/id REST endpoint. This is due to the getBookingDetails callback only...

CVE-2026-12433 Hydra Booking <= 1.2.1 - Authenticated (Custom+) Insecure Direct Object Reference to Sensitive Information Exposure via 'booking_id' Parameter

The Hydra Booking – Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 1.2.1 via the /wp-json/hydra-booking/v1/booking/details/id REST endpoint. This is due to the getBookingDetails callback only...

PT-2026-56758

The Hydra Booking – Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 1.2.1 via the /wp-json/hydra-booking/v1/booking/details/id REST endpoint. This is due to the getBookingDetails callback only...

CVE-2026-12433: Authorization Bypass Through User-Controlled Key

The Hydra Booking – Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 1.2.1 via the /wp-json/hydra-booking/v1/booking/details/id REST endpoint. This is due to the getBookingDetails callback only...

WordPress Hydra Booking plugin <= 1.1.44 - Cross Site Scripting (XSS) vulnerability

Cross Site Scripting XSS vulnerability discovered by HaiND in WordPress Plugin Hydra Booking versions = 1.1.44...

Security-Writeups

🔐 Security Writeups Welcome! This repository contains my pers...

📄 Hydra Stack Buffer Overflow

A malicious NTLM Type-2 challenge with an excessively long domain causes a stack buffer overflow in Hydra's NTLM authentication handler SMTP, POP3, IMAP, etc. modules. Versions 9.7 and below are affected. Exploit Title: Hydra - Stack Buffer Overflow CVE: CVE-2026-56766 Date: 2026-06-26 Exploit...

Hydra - Stack Buffer Overflow

Exploit Title: Hydra - Stack Buffer Overflow CVE: CVE-2026-56766 Date: 2026-06-26 Exploit Author: Mohammed Idrees Banyamer Author Country: Jordan Instagram: @banyamersecurity Author GitHub: https://github.com/mbanyamer Author Blog : https://banyamersecurity.com/blog/ Vendor Homepage:...

Linux Distros Unpatched Vulnerability : CVE-2026-56766

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and...

CVE-2026-56766

A flaw was found in Hydra. A malicious server can exploit a stack buffer overflow vulnerability in the NTLM authentication modules by sending a specially crafted NTLM Type-2 challenge. This can lead to an overflow of a stack buffer, potentially enabling remote code execution on systems that lack...

hydra-9.7+git20.gbccaea1-1.1 on GA media (moderate)

hydra-9.7+git20.gbccaea1-1.1 on GA media Announcement ID: openSUSE-SU-2026:11131-1 Rating: moderate Cross-References: CVE-2026-56766 Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be installed. Description: These are all security issues fixed in the...

SUSE CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

PT-2026-53336

These are all security issues fixed in the hydra-9.7+git20.gbccaea1-1.1 package on the GA media of openSUSE Tumbleweed...

OPENSUSE-SU-2026:11131-1 hydra-9.7+git20.gbccaea1-1.1 on GA media

These are all security issues fixed in the hydra-9.7+git20.gbccaea1-1.1 package on the GA media of openSUSE Tumbleweed...

CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

UBUNTU-CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

CVE-2026-56766 Hydra - Stack Buffer Overflow in NTLM Authentication Handler

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

CVE-2026-56766

Hydra before 9.7 contains a stack buffer overflow in the NTLM authentication handler used by SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing crafted NTLM Type-2 challenges. A malicious server can send a long domain in NTLM Type-2, overflowing a 500-byte st...