Gotenberg <= 8.30.1 - Server Side Request Forgery

Gotenberg is an API-based document conversion tool. In versions 8.30.1 and earlier, the default private-IP deny-lists for the --webhook-deny-list and --api-download-from-deny-list flags use a case-sensitive regular expression ^https?:// to match URL schemes. Because Go's net/url.Parse normalizes...

TeamsNTLMLeak

Описание Когда пользователь переходит на вкладку «Веб-сайт», ведущую на специально созданную веб-страницу, это может привести к раскрытию NTLM-хэша через активацию URL-схемы Office, что сводит процесс утечки к одному клику. Если попытаться открыть из браузера ссылку в формате...

OutlookLeakTest

Проект Outlook HTML Leak Test! Пост в блоге: https://www.nccgroup.trust/uk/about-us/newsroom-and-events/blogs/2018/may/smb-hash-hijacking-and-user-tracking-in-ms-outlook/ Что в файле "./Schemes-List.xlsx"? Список URI-схем, которые могут работать в Windows. Эти схемы/протоколы могут быть полезны в...

EUVD-2026-89632

The Audio Player Block WordPress plugin before 1.6.3 does not validate the scheme of a user-supplied URL before using it as a link target, allowing users with the Contributor role and above to store malicious JavaScript that executes in the session of any user who later triggers the link such as ...

CVE-2021-30862

CVE-2021-30862 In 2021, CodeColorist released his writeups on the Mistuned vulnerabilities, a series of vulnerabilities affecting the iTunes Store allowing for one-click remote code execution. Notably, he demonstrated popping calc with no memory corruption at all, but with just a logic bug. Durin...

CVE-2026-63206 Zammad: Remote image tracking bypass via shortened URL scheme

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's HTML sanitizer, which blocks remote images in ticket articles and email views, can be bypassed using a shortened URL format that omits the double slash after the scheme for example a shortened HTTP URL...

CVE-2026-91127: Improper Neutralization of Input During Web Page Generation

File Viewer is a browser-native viewer for Office, PDF, CAD, archive, and other files in private and internal web applications. Prior to @file-viewer/doc 2.3.1 and msdoc-viewer 0.2.2, the legacy DOC renderer emitted document-controlled hyperlink targets into generated HTML after character escapin...

CVE-2026-75588

Mattermost Desktop App versions =6.2 6.2.2.0 fail to validate the URL scheme when checking whether a target URL is internal to the connected server, which allows a network-positioned attacker to load a plugin popout window over an insecure connection via a link using a downgraded URL scheme...

EUVD-2026-81678

Mattermost Desktop App versions =6.2 6.2.2.0 fail to validate the URL scheme when checking whether a target URL is internal to the connected server, which allows a network-positioned attacker to load a plugin popout window over an insecure connection via a link using a downgraded URL scheme...

CVE-2026-75588

Mattermost Desktop App versions

CVE-2026-75588 Mattermost Desktop App plugin popout scheme validation bypass

Mattermost Desktop App versions =6.2 6.2.2.0 fail to validate the URL scheme when checking whether a target URL is internal to the connected server, which allows a network-positioned attacker to load a plugin popout window over an insecure connection via a link using a downgraded URL scheme...

CVE-2026-75588: Improper Validation of Specified Type of Input

Mattermost Desktop App versions =6.2 6.2.2.0 fail to validate the URL scheme when checking whether a target URL is internal to the connected server, which allows a network-positioned attacker to load a plugin popout window over an insecure connection via a link using a downgraded URL scheme...

CVE-2026-91146 Takahe through 0.11.0 Cross-Site Scripting via javascript: URL Scheme

Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post content and profile summaries, allowing remote actors to inject javascript: links. Attackers can deliver federated content with malicious javascript: hrefs that execute in the instance origin when clicked,...

CVE-2026-91146 Takahe through 0.11.0 Cross-Site Scripting via javascript: URL Scheme

Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post content and profile summaries, allowing remote actors to inject javascript: links. Attackers can deliver federated content with malicious javascript: hrefs that execute in the instance origin when clicked,...

Astra Linux – Vulnerability in Firefox and Thunderbird

A website could have obscured the fullscreen notification by using a URL that was processed by an external program, such as a mailto URL. This could have caused confusion among users and potentially led to spoofing attacks. This vulnerability affects Firefox 115, Firefox ESR 102.13, and Thunderbi...

Astra Linux – Vulnerability in Thunderbird, Firefox

A website could have obscured the full-screen notification by using a URL that was processed by an external program, such as a mailto URL. This could have caused confusion among users and potentially led to spoofing attacks. This vulnerability affects Firefox 116, Firefox ESR 115.2, and Thunderbi...

PT-2026-91744

Name of the Vulnerable Software and Affected Versions Takahe versions prior to 0.11.1 Description The software fails to restrict URL schemes in link hrefs within federated post content and profile summaries. This allows remote actors to inject javascript: links. When clicked, these malicious link...

EUVD-2026-69653

SVGO: removeScripts allows executable links through namespace and control-character bypasses...

GHSA-W27V-7Q3P-W38R SVGO: removeScripts allows executable links through namespace and control-character bypasses

Summary SVGO's opt-in removeScripts plugin failed to remove some executable links. Namespace-prefixed SVG anchors and URL schemes containing ASCII tabs or newlines could bypass its checks. Applications that used this plugin as their only protection for untrusted SVG input could expose users to...

python: Python: Information disclosure due to incorrect URL scheme matching

A flaw was found in Python. The HTTPPasswordMgr class in the urllib.request module did not correctly consider the URL scheme when matching stored credentials against a requested URL. This allowed credentials intended for an HTTPS secure connection to be sent over an unencrypted HTTP connection to...