CVE-2026-42346

Postiz is an AI social media scheduling tool. From version 2.16.6 to before version 2.21.7, all SSRF protections added in v2.21.4–v2.21.6 share a fundamental TOCTOU Time-of-Check-Time-of-Use vulnerability: isSafePublicHttpsUrl resolves DNS to validate the target IP, but subsequent fetch calls...

CVE-2026-42180 Lemmy: SSRF in /api/v3/post via Webmention dispatch

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy allows an authenticated low-privileged user to create a link post through POST /api/v3/post. When a post is created in a public community, the backend asynchronously sends a Webmention to the attacker-controll...

Flarum 路径遍历漏洞

Flarum is an open-source forum software developed by Flarum for building communities. Versions of Flarum prior to 1.8.16 and 2.0.0-rc.1 contained a path traversal vulnerability. This vulnerability stemmed from the lack of restrictions on the values of LESS configuration variables, which could lea...

FastGPT 代码问题漏洞

FastGPT is an open-source knowledge base question-answering system based on large language models developed by Labring. Versions of FastGPT prior to 4.14.17 contained code vulnerabilities. These vulnerabilities stemmed from the fetchData function in the lafModule workflow node, which used axios t...

Security Bulletin: IBM App Connect Enterprise Certified Container operands are vulnerable to loss of confidentiality (CVE-2025-62718)

Summary Node.js module axios is used by IBM App Connect Enterprise Certified Container for HTTP communications. IBM App Connect Enterprise Certified Container operands are vulnerable to loss of confidentiality. This bulletin provides patch information to address the reported vulnerability in...

Gotenberg's DNS rebinding bypasses SSRF validation on Chromium URL conversion routes

Summary FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved addresses. Chromium later performs its own DNS resolution when it navigates to the URL. An attacker who controls DNS for a hostname...

GHSA-2PMR-289P-44R3 Gotenberg's DNS rebinding bypasses SSRF validation on Chromium URL conversion routes

Summary FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved addresses. Chromium later performs its own DNS resolution when it navigates to the URL. An attacker who controls DNS for a hostname...

EUVD-2026-27848

A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by...

GHSA-J4RJ-2JR5-M439 ssrfcheck Vulnerable to Server-Side Request Forgery (SSRF) and Incomplete List of Disallowed Inputs

Summary ssrfcheck v1.3.0 latest fails to block Server-Side Request Forgery attacks when the target private IP address is encoded as an IPv4-mapped IPv6 address e.g. http://::ffff:127.0.0.1/. The WHATWG URL parser built into Node.js silently normalizes the IPv4 notation inside the brackets to...

CVE-2026-34084 PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFactory::load

PhpSpreadsheet is a library for reading and writing spreadsheet files. In versions 1.30.2 and earlier, 2.0.0 through 2.1.14, 2.2.0 through 2.4.3, 3.3.0 through 3.10.3, and 4.0.0 through 5.5.0, when the filename argument to IOFactory::load is user-controlled, an attacker can supply a PHP stream...

CVE-2026-33975 twenty-server SSRF protection bypass via IPv4-mapped IPv6 address normalization

Twenty is an open source CRM built with NestJS Node.js. In versions 1.18.0 and earlier, the SSRF protection in twenty-server's SecureHttpClientService can be bypassed using IPv4-mapped IPv6 addresses in URL IP literals. Node.js's URL parser normalizes IPv4-mapped IPv6 addresses to compressed hex...

PT-2026-37295

Name of the Vulnerable Software and Affected Versions WWBN AVideo versions prior to 29.0 Description An authenticated user can configure a donation-notification webhook URL to point to internal, loopback, or metadata hosts, such as http://127.0.0.1:8080/ or http://169.254.169.254/latest/. When...

CVE-2026-6812

The Ona theme for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.26 via the onaactivatechildtheme. This makes it possible for authenticated attackers, with administrator-level access and above, to make web requests to arbitrary locations originating...

CVE-2026-40682 Apache OpenNLP: XXE via Dictionary Parsing in DictionaryEntryPersistor

XML External Entity XXE via Unsanitized Dictionary Parsing in Apache OpenNLP DictionaryEntryPersistor Versions Affected: before 2.5.9, before 3.0.0-M3 Description: The DictionaryEntryPersistor class initializes a static SAXParserFactory at class-load time without enabling FEATURESECUREPROCESSING ...

Linux Distros Unpatched Vulnerability : CVE-2026-39087

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ntfy before 2.22.0 allows SSRF because of an unanchored regular expression for web push endpoint URLs. CVE-2026-39087 Note that Nessus relies on the presence of...

Apache OpenNLP 代码问题漏洞

Apache OpenNLP is a natural language processing toolkit developed by the Apache Foundation. Versions of Apache OpenNLP prior to 2.5.9 and 3.0.0-M3 contained code vulnerabilities. These vulnerabilities stemmed from the lack of enabling FEATURESECUREPROCESSING or disabling DTD processing during the...

CVE-2026-36756

A Server-Side Request Forgery SSRF in the /plugins/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request...

CVE-2026-36759

A Server-Side Request Forgery SSRF in the /themes/name/upgrade-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request...

Improper Input Validation

org.springframework.security:spring-security-oauth2-authorization-server is vulnerable to Improper Input Validation. The vulnerability is due to insufficient validation of client metadata fields during dynamic client registration, which allows an attacker to register a malicious client and exploi...

OpenClaw: QQBot direct media upload skipped URL SSRF validation

Affected Packages / Versions - Package: openclaw npm - Affected versions: 2026.4.20 - Patched version: 2026.4.20 Impact The QQBot direct-upload media path could forward attacker-controlled image URLs without applying the SSRF validation used by the local download path. This could make configured...