CVE-2026-75594

Kirby is an open-source content management system. Prior to 4.9.5 and 5.5.2, depending on the release line, Kirby's media handler in src/Cms/Media.php allowed Kirby\Cms\Media::thumb to append a path-bearing filename to a validated parent media directory. On nginx, PHP's built-in server, or Apache...

CVE-2026-70374

HashBrown CMS through 1.4.6 contains an OS Command Injection vulnerability CWE-78 in the media upload thumbnail generation routine. Media.generateThumbnail in src/Server/Entity/Resource/Media.js builds a temporary file path as 'thumbnail' + Path.extnamefilename and passes it, unescaped, into a...

EUVD-2026-53097

HashBrown CMS through 1.4.6 contains an OS Command Injection vulnerability CWE-78 in the media upload thumbnail generation routine. Media.generateThumbnail in src/Server/Entity/Resource/Media.js builds a temporary file path as 'thumbnail' + Path.extnamefilename and passes it, unescaped, into a...

CVE-2026-42553 Cinny: Access token disclosure via invalidated emoji pack avatar URL in service worker

Cinny is a Matrix client. Prior to 4.10.3, A remote authenticated attacker who shares a room with a victim and has permissions to create room emotes for example in a DM can cause the victim's client to send their Matrix access token to an attacker-controlled server. This occurs when the victim...

CVE-2026-42553

Cinny (Matrix client) before version 4.10.3 is affected by a token-disclosure vulnerability in two parts: (1) EmojiBoard fallback uses an untrusted pack.meta.avatar as a MXC URL, enabling an attacker-controlled HTTP(S) URL in a malicious emote pack; (2) the service worker attaches the user’s Auth...

CVE-2026-42553 Cinny: Access token disclosure via invalidated emoji pack avatar URL in service worker

Cinny is a Matrix client. Prior to 4.10.3, A remote authenticated attacker who shares a room with a victim and has permissions to create room emotes for example in a DM can cause the victim's client to send their Matrix access token to an attacker-controlled server. This occurs when the victim...