CVE-2026-48028 Mastodon: Removal of integrity-protected JSON entries from signed activities

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing threat actors...

CVE-2026-48028

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing threat actors...

CVE-2026-46349

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing attackers to...

CVE-2026-46349

CVE-2026-46349 affects Mastodon before versions 4.5.10, 4.4.17, and 4.3.23. The issue arises from Mastodon’s normalization of incoming activities signed with Linked-Data Signatures, which does not sufficiently prevent a class of spoofing. An attacker could re-arrange a valid signed JSON-LD activi...

CVE-2026-46349 Mastodon: LD-Signature Bypass via JSON-LD Named-Graph Restructuring

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing attackers to...

CVE-2026-46349 Mastodon: LD-Signature Bypass via JSON-LD Named-Graph Restructuring

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing attackers to...

CVE-2026-54686

Warp is an agentic development environment. From 0.2021.04.25.23.05.stable00 until 0.2026.05.06.15.42.stable01, Warp accepted certain state-mutating terminal lifecycle hooks from the PTY stream without verifying that the hooks were emitted by Warp's shell integration for the active session. An...

CVE-2026-53948 Ghost: File Upload Content-Type Spoofing

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, insufficient validation of the client-supplied Content-Type on Ghost's Admin API file upload endpoint allowed uploaded files to be served from the site with an attacker-chosen content type on S3/GCS storage backends. On...

CVE-2026-53948

CVE-2026-53948 affects Ghost CMS (Node.js) due to insufficient validation of the client-supplied Content-Type on the Admin API file upload endpoint. Between 6.19.4 and 6.21.1, uploaded files could be served with an attacker-chosen content type on S3/GCS storage backends, and in installations serv...

CVE-2026-53948 Ghost: File Upload Content-Type Spoofing

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, insufficient validation of the client-supplied Content-Type on Ghost's Admin API file upload endpoint allowed uploaded files to be served from the site with an attacker-chosen content type on S3/GCS storage backends. On...

CVE-2026-54686 Warp: DCS lifecycle hook spoofing can alter terminal session metadata

Warp is an agentic development environment. From 0.2021.04.25.23.05.stable00 until 0.2026.05.06.15.42.stable01, Warp accepted certain state-mutating terminal lifecycle hooks from the PTY stream without verifying that the hooks were emitted by Warp's shell integration for the active session. An...

CVE-2026-54686

Warp: CVE-2026-54686 enables DCS lifecycle hook spoofing in Warp’s PTY stream, allowing attacker-controlled terminal output to spoof lifecycle metadata (e.g., working directory, SSH transport metadata) for active sessions. Technical details in connected PoC describe additional remote command inje...

CVE-2026-54686 Warp: DCS lifecycle hook spoofing can alter terminal session metadata

Warp is an agentic development environment. From 0.2021.04.25.23.05.stable00 until 0.2026.05.06.15.42.stable01, Warp accepted certain state-mutating terminal lifecycle hooks from the PTY stream without verifying that the hooks were emitted by Warp's shell integration for the active session. An...

CVE-2026-54686

Warp is an agentic development environment. From 0.2021.04.25.23.05.stable00 until 0.2026.05.06.15.42.stable01, Warp accepted certain state-mutating terminal lifecycle hooks from the PTY stream without verifying that the hooks were emitted by Warp's shell integration for the active session. An...

Astra Linux – Vulnerability in Thunderbird

Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox

A spoofing issue exists in the Privacy: Anti-Tracking component. This vulnerability has been fixed in Firefox 149 and Thunderbird 149...

Astra Linux – Vulnerability in Chromium

In Blink in Google Chrome prior to version 147.0.7727.55, policy bypass allowed a remote attacker to perform UI spoofing through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

The incorrect security UI in Blink in Google Chrome prior to version 147.0.7727.55 allowed a remote attacker to perform UI spoofing through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

The incorrect security interface in the Downloads section of Google Chrome prior to version 147.0.7727.55 allowed a remote attacker who convinced a user to perform certain UI gestures to perform UI spoofing through a crafted HTML page. Chromium security severity: Low...

CVE-2026-7761

The Ultimate Member plugin for WordPress is vulnerable to Account Takeover via Password Reset Link Disclosure in all versions up to and including 2.11.4. This is due to a chain of three logic bugs: 1 an MD5 hash fallback in getdirectorybyhash that allows any post to be used as a member directory ...