User Impersonation

Overview @openclaw/nextcloud-talk is an OpenClaw Nextcloud Talk channel plugin Affected versions of this package are vulnerable to User Impersonation via the actor.name field in webhook payloads. An attacker can gain unauthorized access to direct messages or rooms by spoofing their display name t...

CVE-2026-25808

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is...

CVE-2026-25808

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is...

CVE-2026-25808

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is...

CVE-2026-25808

Hollo (federated single-user microblogging) is affected by a vulnerability in the ActivityPub outbox that exposed DMs and followers-only posts prior to version 0.6.20 and 0.7.2. The issue is resolved in those versions (0.6.20 and 0.7.2). The CVSS is provided (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N; ...

CVE-2026-25808 Hollo DMs get leaked and can be seen on Webfinger Browser

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is...

CVE-2026-25808 Hollo DMs get leaked and can be seen on Webfinger Browser

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is...

CVE-2026-25808 Hollo DMs get leaked and can be seen on Webfinger Browser

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is...

PT-2026-7177

Name of the Vulnerable Software and Affected Versions Hollo versions prior to 0.6.20 Hollo versions prior to 0.7.2 Description Hollo is a federated single-user microblogging software that utilizes ActivityPub for federation. A security issue exists where direct messages DMs and posts restricted t...

CVE-2025-68660

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, an endpoint lets any authenticated user bypass the aidiscoverpersona access controls and gain ongoing DM access to personas that may be wired to staff-only categories, RAG document set...

PT-2026-23549

Name of the Vulnerable Software and Affected Versions OpenClaw Nextcloud Talk plugin versions prior to 2026.2.6 Description The Nextcloud Talk plugin allows attackers to bypass direct message DM and room allowlists. The plugin incorrectly uses the mutable actor.name field for allowlist validation...

CVE-2025-53627

Meshtastic is an open source mesh networking solution. The Meshtastic firmware starting from version 2.5 introduces asymmetric encryption PKI for direct messages, but when the pkiencrypted flag is missing, the firmware silently falls back to legacy AES-256-CTR channel encryption. This was an...

CVE-2025-53627

Meshtastic is an open source mesh networking solution. The Meshtastic firmware starting from version 2.5 introduces asymmetric encryption PKI for direct messages, but when the pkiencrypted flag is missing, the firmware silently falls back to legacy AES-256-CTR channel encryption. This was an...

CVE-2025-53627

Meshtastic firmware (from version 2.5) can fall back to legacy AES-256-CTR if the pki_encrypted flag is missing, undermining PKI end-to-end direct messages. The downgrade path allows adversaries with a shared channel key to inject spoofed DMs that appear PKI-encrypted to end-user apps (Web, iOS/A...

EUVD-2025-205605

Meshtastic is an open source mesh networking solution. The Meshtastic firmware starting from version 2.5 introduces asymmetric encryption PKI for direct messages, but when the pkiencrypted flag is missing, the firmware silently falls back to legacy AES-256-CTR channel encryption. This was an...

CVE-2025-53627 Meshtastic firmware allows forged DMs with no PKC to show up as encrypted

Meshtastic is an open source mesh networking solution. The Meshtastic firmware starting from version 2.5 introduces asymmetric encryption PKI for direct messages, but when the pkiencrypted flag is missing, the firmware silently falls back to legacy AES-256-CTR channel encryption. This was an...

CVE-2025-53627 Meshtastic firmware allows forged DMs with no PKC to show up as encrypted

Meshtastic is an open source mesh networking solution. The Meshtastic firmware starting from version 2.5 introduces asymmetric encryption PKI for direct messages, but when the pkiencrypted flag is missing, the firmware silently falls back to legacy AES-256-CTR channel encryption. This was an...

CVE-2025-53627 Meshtastic firmware allows forged DMs with no PKC to show up as encrypted

Meshtastic is an open source mesh networking solution. The Meshtastic firmware starting from version 2.5 introduces asymmetric encryption PKI for direct messages, but when the pkiencrypted flag is missing, the firmware silently falls back to legacy AES-256-CTR channel encryption. This was an...

PT-2025-53743

Name of the Vulnerable Software and Affected Versions Meshtastic versions 2.5 through 2.7.14 Description Meshtastic firmware, starting with version 2.5, implemented asymmetric encryption PKI for direct messages. However, when the pki encrypted flag is absent, the firmware reverts to legacy...

CVE-2025-62190 CSRF Allows Call Initiation and Message Delivery

Mattermost versions 11.0.x = 11.0.4, 10.12.x = 10.12.2, 10.11.x = 10.11.6 and Mattermost Calls versions =1.10.0 fail to implement CSRF protection on the Calls widget page which allows an authenticated attacker to initiate calls and inject messages into channels or direct messages via a malicious...