CVE-2026-72916 Mastodon: SSRF Protection Bypass via IPv4-compatible IPv6 Addresses

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1, PrivateAddressCheck.privateaddress? in app/lib/privateaddresscheck.rb normalized IPv4-mapped IPv6 addresses but did not recognize IPv4-compatible IPv6 addresses with...

EUVD-2026-55839

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.4.21, 4.5.14, 4.6.4, and 4.7.0-beta.1, PrivateAddressCheck.privateaddress? in app/lib/privateaddresscheck.rb normalized IPv4-mapped IPv6 addresses but did not recognize IPv4-compatible IPv6 addresses with...

CVE-2026-46409

OpenYak is a local-first agent runtime for reliable tool-using models, with a desktop workspace built on top. Prior to version 1.1.3, the OpenYak desktop backend binds an HTTP API to 127.0.0.1: commonly 19141 without server-side Origin validation, loopback authentication, or Content-Type...

CVE-2026-46409 OpenYak local API: unauthenticated CSRF chain leads to Remote Code Execution

OpenYak is a local-first agent runtime for reliable tool-using models, with a desktop workspace built on top. Prior to version 1.1.3, the OpenYak desktop backend binds an HTTP API to 127.0.0.1: commonly 19141 without server-side Origin validation, loopback authentication, or Content-Type...

SUSE CVE-2026-70367

A Server-Side Request Forgery SSRF bypass vulnerability exists in "stunnel" 5.79 and lower when configured in SOCKS proxy mode. This flaw allows a client to bypass intended localhost restrictions by using IPv4-mapped IPv6 addresses e.g., "::ffff:127.0.0.1" or unspecified addresses "0.0.0.0", "::"...

CVE-2026-15570 Improper URL Scheme and Destination Validation in SmartCenter browserseturl Command

An improper restriction of URL schemes and destinations in the SmartCenter browserseturl command in the Telefunken TE24553B45V2DZ Smart TV running on the Vestel MB181 / Voltron181 / TiVo OS platform allows an attacker with access to the same local network to cause the embedded browser to issue...

CVE-2026-62857

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. From version 1.2.0 through the affected 1.9, 1.10, 2.0, 2.1, 2.2, and 2.3 maintenance lines, getNodeInfo follows an attacker-controlled links.href value from /.well-known/nodeinfo without scheme, redirect, o...

EUVD-2026-54151

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. From version 1.2.0 through the affected 1.9, 1.10, 2.0, 2.1, 2.2, and 2.3 maintenance lines, getNodeInfo follows an attacker-controlled links.href value from /.well-known/nodeinfo without scheme, redirect, o...

CVE-2026-62857

Fedify: Server-Side Request Forgery via getNodeInfo() is caused by following attacker-controlled links[].href from /.well-known/nodeinfo without scheme/redirect/private-address validation. Affected: Fedify versions 1.2.0 through 1.9, 1.10, 2.0, 2.1, 2.2, 2.3 maintenance lines. Impact: may access ...

CVE-2026-55524

PraisonAI is a multi-agent teams system. In versions prior to 1.6.58, the webcrawl tool performs its SSRF check only on the initially supplied URL, allowing the protection to be bypassed so the tool connects to attacker-chosen internal destinations. The check resolves the hostname once with...

CVE-2026-71271 Memos Webhook SSRF via 0.0.0.0 Reserved-IP Bypass

Memos' webhook URL validation, isReservedIP internal/webhook/validate.go, checks a candidate IP against a reservedCIDRs list that omits 0.0.0.0/8 and never calls ip.IsUnspecified — unlike the correctly implemented sibling function isInternalIP in internal/httpgetter/htmlmeta.go, which does...

EUVD-2026-53356

Memos' webhook URL validation, isReservedIP internal/webhook/validate.go, checks a candidate IP against a reservedCIDRs list that omits 0.0.0.0/8 and never calls ip.IsUnspecified — unlike the correctly implemented sibling function isInternalIP in internal/httpgetter/htmlmeta.go, which does. Becau...

CVE-2026-71271

The CVE affects Memos server webhook URL validation. The isReservedIP() check validates candidate IPs against a reservedCIDRs list that omits 0.0.0.0/8 and never calls ip.IsUnspecified(), unlike isInternalIP() which does. Linux redirects connections to 0.0.0.0 to loopback (127.0.0.1). An attacker...

CVE-2026-71250 Firefly III - Webhook URL Validation Explicitly Allows Loopback and Is Bypassable via DNS Rebinding

Firefly III's webhook URL validator IsValidWebhookUrl.php filters most private/reserved IPv4 ranges but contains an explicit early-return that allows any resolved address in 127.0.0.0/8, permitting an authenticated user with webhooks enabled, which is off by default to configure a webhook targeti...

PT-2026-68308

Name of the Vulnerable Software and Affected Versions PraisonAI versions 1.5.128 through 1.6.57 Description The web crawl function in praisonaiagents.tools.web crawl tools is susceptible to server-side request forgery SSRF. Although the system validates the initial URL to block direct loopback an...

CVE-2026-70367

A Server-Side Request Forgery SSRF bypass vulnerability exists in “stunnel” 5.79 and lower when configured in SOCKS proxy mode. This flaw allows a client to bypass intended localhost restrictions by using IPv4-mapped IPv6 addresses e.g., “::ffff:127.0.0.1” or unspecified addresses "0.0.0.0", "::"...

CVE-2026-70367

A Server-Side Request Forgery SSRF bypass vulnerability exists in “stunnel” 5.79 and lower when configured in SOCKS proxy mode. This flaw allows a client to bypass intended localhost restrictions by using IPv4-mapped IPv6 addresses e.g., “::ffff:127.0.0.1” or unspecified addresses "0.0.0.0", "::"...

EUVD-2026-52687

A Server-Side Request Forgery SSRF bypass vulnerability exists in “stunnel” 5.79 and lower when configured in SOCKS proxy mode. This flaw allows a client to bypass intended localhost restrictions by using IPv4-mapped IPv6 addresses e.g., “::ffff:127.0.0.1” or unspecified addresses "0.0.0.0", "::"...

CVE-2026-70367

CVE-2026-70367 affects stunnel

CVE-2026-70367

A Server-Side Request Forgery SSRF bypass vulnerability exists in “stunnel” 5.79 and lower when configured in SOCKS proxy mode. This flaw allows a client to bypass intended localhost restrictions by using IPv4-mapped IPv6 addresses e.g., “::ffff:127.0.0.1” or unspecified addresses "0.0.0.0", "::"...