DuoLungo: Usability Study of Duo 2FA

Multi-Factor Authentication MFA enhances login security by requiring multiple authentication factors. Its adoption has increased in response to more frequent and sophisticated attacks. Duo is widely used by organizations including Fortune 500 companies and major educational institutions, yet its...

CVE-2025-71180

In the Linux kernel, the following vulnerability has been resolved: counter: interrupt-cnt: Drop IRQFNOTHREAD flag An IRQ handler can either be IRQFNOTHREAD or acquire spinlockt, as CONFIGPROVERAWLOCKNESTING warns: ============================= BUG: Invalid wait context 6.18.0-rc1+git... 1...

BIT-MASTODON-2026-23964 Mastodon has insufficient access control to push notification settings

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fixed an infinite recursive call of clippush. syzbot reported the issue below. 0 This occurs when we call ioctlATMARPMKIP more than once. During the first call, clipmkip sets clippush to vcc-push; the second call copie...

CVE-2026-23964

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

PT-2026-4384

Name of the Vulnerable Software and Affected Versions webpushr versions through 4.38.0 Description A flaw exists in webpushr webpushr-web-push-notifications that could allow retrieval of embedded sensitive data. This issue relates to the exposure of sensitive system information to an unauthorized...

CVE-2026-23964

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

EUVD-2026-4210

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

CVE-2026-23964 Mastodon has insufficient access control to push notification settings

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

CVE-2026-23964 Mastodon has insufficient access control to push notification settings

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

CVE-2026-23964

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

CVE-2026-23964 Mastodon has insufficient access control to push notification settings

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.5, 4.4.12, and 4.3.18, an insecure direct object reference in the web push subscription update endpoint lets any authenticated user update another user's push subscription by guessing or obtaining th...

CVE-2026-23964

Mastodon vendor: Mastodon server (ActivityPub). Vulnerability CVE-2026-23964 is an insecure direct object reference in the web push subscription update endpoint affecting versions < 4.5.5, < 4.4.12, and

Mastodon security vulnerabilities

Mastodon is an open-source social networking server based on ActivityPub. Versions of Mastodon prior to v4.5.5, v4.4.12, and v4.3.18 contained security vulnerabilities. These vulnerabilities stemmed from insecure direct object references in the web push subscription update endpoint, which could...

PT-2026-3902

Name of the Vulnerable Software and Affected Versions Mastodon versions prior to 4.5.5 Mastodon versions prior to 4.4.12 Mastodon versions prior to 4.3.18 Description Mastodon is a social network server. An insecure direct object reference exists in the web push subscription update endpoint. An...

CVE-2026-21934

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft component: Push Notifications. Supported versions that are affected are 8.60, 8.61 and 8.62. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft...

EUVD-2026-3575

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft component: Push Notifications. Supported versions that are affected are 8.60, 8.61 and 8.62. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft...

CVE-2026-21934

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft component: Push Notifications. Supported versions that are affected are 8.60, 8.61 and 8.62. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft...

CVE-2026-21934

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft component: Push Notifications. Supported versions that are affected are 8.60, 8.61 and 8.62. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft...

CVE-2026-21934

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft component: Push Notifications. Supported versions that are affected are 8.60, 8.61 and 8.62. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft...