MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches

Summary makessrfsafehook blocks HTTP redirects to private/internal IPs by validating the Location header before the client follows a 3xx response. The problem is that this hook is only attached in one of three authentication branches — the header-PAT path. Basic auth and OAuth branches skip it...

GHSA-6529-C226-H328 MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches

Summary makessrfsafehook blocks HTTP redirects to private/internal IPs by validating the Location header before the client follows a 3xx response. The problem is that this hook is only attached in one of three authentication branches — the header-PAT path. Basic auth and OAuth branches skip it...

Server-side Request Forgery (SSRF)

Overview mcp-atlassian is a The Model Context Protocol MCP Atlassian integration is an open-source implementation that bridges Atlassian products Jira and Confluence with AI language models following Anthropic's MCP specification. This project enables secure, contextual AI interactions with...

MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow

Summary The SSRF protection for header-based authentication uses a validate-then-use pattern vulnerable to DNS rebinding. validateurlforssrf resolves the hostname via DNS and checks that the resolved IP is globally routable. However, the actual HTTP request happens later, during which the DNS...

GHSA-49XV-9743-PW8W MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow

Summary The SSRF protection for header-based authentication uses a validate-then-use pattern vulnerable to DNS rebinding. validateurlforssrf resolves the hostname via DNS and checks that the resolved IP is globally routable. However, the actual HTTP request happens later, during which the DNS...

EUVD-2026-84869

Mattermost versions 11.9.x = 11.9.1, 11.8.x = 11.8.5, 11.7.x = 11.7.10, 11.10.x = 11.10.1 fail to apply the internal-connection filter to OAuth endpoint requests, which allows a System Administrator to make the server issue requests to internal network addresses and read the responses via the...

CVE-2026-96259 Mattermost server-side request forgery via OAuth endpoints configurable by a System Administrator

Mattermost versions 11.9.x = 11.9.1, 11.8.x = 11.8.5, 11.7.x = 11.7.10, 11.10.x = 11.10.1 fail to apply the internal-connection filter to OAuth endpoint requests, which allows a System Administrator to make the server issue requests to internal network addresses and read the responses via the...

Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler

Summary The SNS UnsubscribeConfirmation handler in internal/integrations/ingestors/sns/sns.go makes an unvalidated http.Get call to payload.UnsubscribeURL without any URL restriction. Because UnsubscribeURL is intentionally excluded from the BuildSignature signed field list, an attacker can repla...

EUVD-2026-83976

Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler...

GHSA-FJWV-JF2V-J499 Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler

Summary The SNS UnsubscribeConfirmation handler in internal/integrations/ingestors/sns/sns.go makes an unvalidated http.Get call to payload.UnsubscribeURL without any URL restriction. Because UnsubscribeURL is intentionally excluded from the BuildSignature signed field list, an attacker can repla...

OpenCVE: Server-Side Request Forgery (SSRF) in notifications

Impact OpenCVE contains a Server-Side Request Forgery SSRF vulnerability in the notification testing functionality for both Webhook and Slack integrations. An authenticated user with permission to configure notification channels can trigger test requests to arbitrary HTTPS endpoints. Insufficient...

GHSA-CH3G-4XVR-674Q OpenCVE: Server-Side Request Forgery (SSRF) in notifications

Impact OpenCVE contains a Server-Side Request Forgery SSRF vulnerability in the notification testing functionality for both Webhook and Slack integrations. An authenticated user with permission to configure notification channels can trigger test requests to arbitrary HTTPS endpoints. Insufficient...

EUVD-2026-82925

OpenCVE: Server-Side Request Forgery SSRF in notifications...

Server-side Request Forgery (SSRF)

Overview mcp-atlassian is a The Model Context Protocol MCP Atlassian integration is an open-source implementation that bridges Atlassian products Jira and Confluence with AI language models following Anthropic's MCP specification. This project enables secure, contextual AI interactions with...

CVE-2026-91129

Home Assistant is open source home automation software focused on local control and privacy. Prior to 2026.2.3, the IPP integration automatically processed unauthenticated ipp.tcp.local mDNS announcements in homeassistant/components/ipp/configflow.py, where asyncstepzeroconf passed...

CVE-2026-84395

Premiere Pro is affected by a Server-Side Request Forgery SSRF vulnerability that could result in privilege escalation potentially resulting in unauthorized write access. Exploitation of this issue does not require user interaction. Scope is changed...

CVE-2026-81999

Adobe Experience Manager Forms JEE is affected by a Server-Side Request Forgery SSRF vulnerability that could result in privilege escalation. An attacker with high privileges could exploit this vulnerability to gain elevated access to internal resources. Exploitation of this issue does not requir...

CVE-2026-82000

Adobe Experience Manager Forms JEE is affected by a Server-Side Request Forgery SSRF vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain elevated access to internal resources. Exploitation of this issue does not require user...

CVE-2026-77249

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, JiraUserMixin.lookupuserbypermissions uses the module-level requests.get function instead of the fetcher's protected session. A caller-controlled public Jira URL can redirect that...

EUVD-2026-84804

Home Assistant is open source home automation software focused on local control and privacy. Prior to 2026.2.3, the IPP integration automatically processed unauthenticated ipp.tcp.local mDNS announcements in homeassistant/components/ipp/configflow.py, where asyncstepzeroconf passed...