PYSEC-2026-2510 Hermes Agent contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation

Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling...

PYSEC-2026-2959 Prefect SSRF Bypass via DNS Rebinding in validate_restricted_url

A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validaterestrictedurl of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack remotely. The attack is...

EUVD-2026-43178

PraisonAI versions before 1.6.78 contain a server-side request forgery vulnerability in the Crawl4AI/Chromium backend that allows attackers to bypass SSRF validation by exploiting DNS rebinding and HTTP redirects. Attackers can craft URLs that resolve to internal services after the initial...

GHSA-489G-7RXV-6C8Q MCP Atlassian: DNS-rebinding TOCTOU bypass of the SSRF fix (CVE-2026-27826)

Summary GHSA-7r34-79r5-rcc9's fix added validateurlforssrf, which resolves the attacker-controlled X-Atlassian-Jira,Confluence-Url header host once at middleware time and trusts the result. But the outbound request is later built with the raw hostname and re-resolves at connect time with no IP...

CVE-2026-55671 ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

EUVD-2026-42896

PraisonAI before 4.6.78 contains an unauthenticated server-side request forgery vulnerability in the Jobs API /api/v1/runs endpoint. The webhookurl parameter is validated at request time but re-resolved at connection time, allowing attackers to use DNS rebinding to reach internal services with a...

Serena: Unauthenticated Flask dashboard on fixed port enables DNS rebinding → memory poisoning → RCE

Summary Serena's built-in web dashboard exposes an unauthenticated Flask API on a fixed, predictable port TCP 24282, hardcoded as 0x5EDA in constants.py. The server has no authentication, no CSRF protection, and no Host header validation. A DNS rebinding attack allows a malicious webpage to reach...

CVE-2026-49471 Serena: Unauthenticated Flask dashboard on fixed port enables DNS rebinding → memory poisoning → RCE

Serena is a powerful MCP toolkit for coding that provides semantic retrieval and editing capabilities. Prior to v1.5.2, Serena's built-in web dashboard exposes an unauthenticated Flask API on a fixed, predictable port, with no authentication, no CSRF protection, and no Host header validation. A D...

BIT-GHOST-2026-53945 Ghost: Server-side request forgery via DNS rebinding in external request handling

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. Th...

GHSA-V5C4-WCPJ-X73M Statamic Vulnerable to Server-Side Request Forgery via Glide (DNS rebinding)

Impact The Glide image proxy's URL validation could be bypassed using DNS rebinding. The remote hostname was validated as publicly routable, but resolved again when the image was actually fetched, so an attacker controlling the hostname's DNS could rebind it to an internal address after validatio...

Aimeos Pagible CMS vulnerable to Server Side Request Forgery (SSRF) via DNS rebinding in admin proxy

Summary The administrative proxy route cmsproxy in Aimeos Pagible CMS is vulnerable to a Server-Side Request Forgery SSRF attack via DNS Rebinding. A Time-of-Check to Time-of-Use TOCTOU race condition exists between the URL validation phase and the actual HTTP request phase, allowing attackers to...

CVE-2026-54353

Budibase is an open-source low-code platform. Prior to 3.39.9, authenticated users with automation permissions can bypass Budibase's SSRF blacklist through DNS rebinding. The outbound fetch flow validates a hostname against the blacklist before the request is sent, but the actual socket connectio...

PT-2026-53027

Name of the Vulnerable Software and Affected Versions Statamic versions prior to 5.73.24 Statamic versions prior to 6.20.1 Description The Glide image proxy contains a flaw where URL validation in src/Imaging/RemoteUrlValidator.php and src/Imaging/GuzzleAdapter.php can be bypassed via DNS...

Aimeos Pagible CMS vulnerable to Server Side Request Forgery (SSRF) via DNS rebinding in admin proxy

The administrative proxy route cmsproxy in Aimeos Pagible CMS is vulnerable to a Server-Side Request Forgery SSRF attack via DNS Rebinding. A Time-of-Check to Time-of-Use TOCTOU race condition exists between the URL validation phase and the actual HTTP request phase, allowing attackers to access...

PT-2026-52069

Name of the Vulnerable Software and Affected Versions Ghost versions 6.0.9 through 6.21.0 Description Ghost is a Node.js content management system. A flaw in the private-IP check for outbound HTTP requests allows a bypass via DNS rebinding. DNS rebinding is a technique that tricks a browser or...

Server-side Request Forgery (SSRF)

Overview @budibase/backend-core is a Budibase backend core libraries used in server and worker Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the outboundFetch process. An attacker can access internal network resources and retrieve sensitive information b...

@budibase/backend-core has potential SSRF DNS rebinding bypass in outbound fetch validation

Summary Authenticated users with automation permissions can bypass Budibase's SSRF blacklist through DNS rebinding. The outbound fetch flow validates a hostname against the blacklist before the request is sent, but the actual socket connection later performs a separate DNS lookup through...

CVE-2026-48764

TypeBot suffers an SSRF in HTTP request and script fetch flows prior to version 3.17.2. The root cause is a time‑of‑check/time‑of‑use gap: the hostname is validated once against a forbidden range, but the subsequent request resolves the hostname again and may connect to a different IP, enabling D...

CVE-2026-48764 TypeBot has SSRF in HTTP request and script fetch flows via DNS rebinding bypass

TypeBot is a chatbot builder tool. In versions prior to 3.17.2, SSRF validation is implemented by resolving a hostname once and checking whether the resolved IP belongs to a forbidden range allowing for DNS rebinding bypass. The root cause is a time-of-check to time-of-use gap in the SSRF guard...

CVE-2026-53869

Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling...