CVE-2026-49979 Appsmith: SSRF via `POST /api/v1/admin/send-test-email` — JavaMail Bypasses WebClient IP Filter

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 1.99, the POST /api/v1/admin/send-test-email endpoint accepts attacker-controlled smtpHost and smtpPort values and establishes a raw JavaMail TCP connection without any IP validation. This completely bypasses...

CVE-2026-49979

Appsmith prior to version 1.99 exposes a vulnerability in the POST /api/v1/admin/send-test-email endpoint. An attacker can supply smtpHost and smtpPort values to establish a raw JavaMail TCP connection, bypassing WebClientUtils.IP_CHECK_FILTER (which only applies to Spring WebClient HTTP requests...

CVE-2026-33234

CVE-2026-33234 affects AutoGPT versions 0.1.0–0.6.51, where SendEmailBlock accepts user-provided smtp_server and smtp_port and passes them to Python’s smtplib.SMTP() without IP address validation. This bypasses hardened SSRF protections (validate_url_host and BLOCKED_IP_NETWORKS) used by other bl...

Linux Distros Unpatched Vulnerability : CVE-2023-51764

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Postfix through 3.8.5 allows SMTP smuggling unless configured with smtpddatarestrictions=rejectunauthpipelining and smtpddiscardehlokeywords=chunking or certain...