CVE-2026-38444

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting XSS via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ostthreadentry. When an unauthenticated attacker sends a reply email to an...

PT-2026-67465

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting XSS via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ost thread entry. When an unauthenticated attacker sends a reply email to an...

CVE-2026-38444

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting XSS via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ostthreadentry. When an unauthenticated attacker sends a reply email to an...

CVE-2026-38444

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting XSS via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ostthreadentry. When an unauthenticated attacker sends a reply email to an...

EUVD-2026-52404

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting XSS via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ostthreadentry. When an unauthenticated attacker sends a reply email to an...

CVE-2026-38444

CVE-2026-38444 affects osTicket v1.18.3. The flaw is a Stored XSS via the email From-header display name, where the value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ost_thread_entry. An unauthenticated attacker can trigger it by replying...

CVE-2026-57511 SuperPlane < 0.30.0 SMTP Header Injection via Webhook Event Title

SuperPlane before 0.30.0 contains an SMTP header injection vulnerability that allows unauthenticated attackers to inject arbitrary SMTP headers by including CRLF sequences in the event payload title field delivered via webhook. Attackers can manipulate the unsanitized title field passed to the SM...

EUVD-2026-35488

Issue summary: When the X509VERIFYPARAMset1email is called by an application to validate a crafted e-mail address, such as during S/MIME message validation, an out of bounds read can happen. Impact summary: This out of bounds read will not directly exfiltrate the data read to the attacker so the...

CVE-2026-47123

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.220, the email processing pipeline in FreeScout's FetchEmails command has two code paths for identifying agent user replies based on In-Reply-To / References headers. The notification reply path...

CVE-2026-47123 FreeScout: Agent Impersonation via Missing HMAC Verification on Notification Reply Message-ID Path

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.220, the email processing pipeline in FreeScout's FetchEmails command has two code paths for identifying agent user replies based on In-Reply-To / References headers. The notification reply path...

EUVD-2026-33440

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.220, the email processing pipeline in FreeScout's FetchEmails command has two code paths for identifying agent user replies based on In-Reply-To / References headers. The notification reply path...

Astra Linux – Vulnerability in tar

GNU Tar version 1.34 has a one-byte out-of-bounds read operation, which allows for the use of uninitialized memory in a conditional jump. Exploitation to change the control flow of the program has not been demonstrated. The issue occurs in the fromheader section of the list.c file, due to a V7...

GHSA-5HGJ-7GM9-CFF5 AVideo: Unauthenticated Arbitrary Email Sending via sendEmail.json.php Enables Phishing from the Site’s Legitimate From Address

Summary objects/sendEmail.json.php exposes two branches depending on whether contactForm=1 is submitted. When the parameter is omitted, the endpoint sets $sendTo to an attacker-supplied email and, for unauthenticated callers, uses the site's own contact email as the message From:/Reply-To:. The...

Fedora 42 : asterisk (2026-98decbde87)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-98decbde87 advisory. Update to Asterisk 18.26.4, addressing numerous security vulnerabilities accumulated since the long-stale 18.12.1 package. The following CVEs are...

GHSA-4CM8-XPFV-JV6F ZeptoClaw: Email Sender Spoofing to bypass Header-Only From Allowlist Validation

Summary The email channel authorizes senders based on the parsed From header identity only. If upstream email authentication/enforcement is weak for example, relaxed SPF/DKIM/DMARC handling, an attacker can spoof an allowlisted sender address and have the message treated as trusted input. Details...

CVE-2026-30820

Flowise, a UI for building LLM flows, is affected pre-3.0.13. The vulnerability arises because the server trusts any HTTP client that sends the header x-request-from: internal, allowing an authenticated tenant with only a session cookie to bypass /api/v1/** authorization checks and access interna...

Access Control Bypass

Overview flowise is a Flowiseai Server Affected versions of this package are vulnerable to Access Control Bypass in the middleware that processes requests to /api/v1 endpoints. An attacker can gain unauthorized access to internal administration APIs by spoofing the x-request-from header as...

CVE-2021-33056

Belledonne Belle-sip before 4.5.20, as used in Linphone and other products, can crash via an invalid From header in a SIP message...

CVE-2025-61084

MDaemon Mail Server 23.5.2 validates SPF, DKIM, and DMARC using the email enclosed in angle brackets in the From: header of SMTP DATA. An attacker can craft a From: header with multiple invisible Unicode thin spaces to display a spoofed sender while passing validation, allowing email spoofing eve...

CVE-2025-61084

MDaemon Mail Server 23.5.2 validates SPF, DKIM, and DMARC using the email enclosed in angle brackets in the From: header of SMTP DATA. An attacker can craft a From: header with multiple invisible Unicode thin spaces to display a spoofed sender while passing validation, allowing email spoofing eve...