CVE-2026-42260

Open-WebSearch CVE-2026-42260 describes a SSRF in fetchWebContent of the MCP tool where bracketed IPv6 literals and lack of DNS resolution allow bypassing the public URL checks. The vulnerability arises because isPublicHttpUrl / assertPublicHttpUrl in src/utils/urlSafety.ts treat bracketed IPv6 h...

Open-WebSearch 代码问题漏洞

Open-WebSearch is a multi-engine web search and content retrieval tool developed by Aasee’s individual developers, without the need for an API key. Versions of Open-WebSearch prior to 2.1.7 had code vulnerabilities. These vulnerabilities stemmed from URL security checks not recognizing IPv6...

CVE-2026-43897

Link Preview JS extracts web links information. Prior to 4.0.1, the library did not check for IPv6 loopback attacks. There was also a DNS attack, where an address could be resolved into an internal IP. This could cause internal data leaks. This vulnerability is fixed in 4.0.1...

CVE-2026-42344

FastGPT is an AI Agent building platform. In versions 4.14.11 and prior, FastGPT's isInternalAddress function in packages/service/common/system/utils.ts is vulnerable to DNS rebinding TOCTOU — Time-of-Check to Time-of-Use. The function resolves the hostname via dns.resolve4/dns.resolve6 and check...

GHSA-V228-72C7-FX8J open-websearch has SSRF in `fetchWebContent` MCP tool: bracketed IPv6 literals and non-resolving hostname check bypass `isPrivateOrLocalHostname`

Summary src/utils/urlSafety.ts exposes isPublicHttpUrl / assertPublicHttpUrl, used to gate the MCP fetchWebContent tool against private-network targets. The check has two defects that together allow non-blind SSRF with the response body returned to the caller: 1. Bracketed IPv6 literals are never...

link-preview-js vulnerable to IPv6 and internal loopback attacks

Impact The library did not check for IPv6 loopback attacks. There was also a DNS attack, where an address could be resolved into an internal IP. This could cause internal data leaks. Patches Problem has been patched in version 4.0.1. However, it cannot be completely solved by the package alone. T...

Server-side Request Forgery (SSRF)

Overview link-preview-js is a Javascript module to extract and fetch HTTP link information from blocks of text. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via improper validation of IPv6 and internal addresses during the DNS resolution process. An attacke...

PT-2026-37304

Name of the Vulnerable Software and Affected Versions Link Preview JS versions prior to 4.0.1 Description The library fails to check for IPv6 loopback attacks and is susceptible to DNS attacks where an address can be resolved into an internal IP. These issues may lead to internal data leaks...

GHSA-R2X7-427F-RQ69 Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation

Summary The validateWebhookURL function in webhooksettingservice.go attempts to block webhooks targeting private/internal IP addresses, but only checks literal IP strings via net.ParseIP. Hostnames that DNS-resolve to private IPs e.g., 169.254.169.254.nip.io, 10.0.0.1.nip.io bypass all checks,...

Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation

Summary The validateWebhookURL function in webhooksettingservice.go attempts to block webhooks targeting private/internal IP addresses, but only checks literal IP strings via net.ParseIP. Hostnames that DNS-resolve to private IPs e.g., 169.254.169.254.nip.io, 10.0.0.1.nip.io bypass all checks,...

Linux Distros Unpatched Vulnerability : CVE-2026-32945

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a Heap-based Buffer Overflowvulnerability in the DNS...

CVE-2026-31945 LibreChat Server-Side Request Forgery using DNS resolution

LibreChat is a ChatGPT clone with additional features. Versions 0.8.2-rc2 through 0.8.2 are vulnerable to a server-side request forgery SSRF attack when using agent actions or MCP. Although a previous SSRF vulnerability...

CVE-2026-31945 LibreChat Server-Side Request Forgery using DNS resolution

LibreChat is a ChatGPT clone with additional features. Versions 0.8.2-rc2 through 0.8.2 are vulnerable to a server-side request forgery SSRF attack when using agent actions or MCP. Although a previous SSRF vulnerability...

CVE-2026-31945 LibreChat Server-Side Request Forgery using DNS resolution

LibreChat is a ChatGPT clone with additional features. Versions 0.8.2-rc2 through 0.8.2 are vulnerable to a server-side request forgery SSRF attack when using agent actions or MCP. Although a previous SSRF vulnerability...

EUVD-2026-14948

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, Wallos endpoints/logos/search.php accepts HTTPPROXY and HTTPSPROXY environment variables without validation, enabling SSRF via proxy hijacking. The server performs DNS resolution on user-supplied search...

CVE-2026-33407 Wallos: SSRF via HTTP Proxy Environment Variable

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, Wallos endpoints/logos/search.php accepts HTTPPROXY and HTTPSPROXY environment variables without validation, enabling SSRF via proxy hijacking. The server performs DNS resolution on user-supplied search...

CVE-2026-33407

Wallos

PT-2026-27471

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, Wallos endpoints/logos/search.php accepts HTTP PROXY and HTTPS PROXY environment variables without validation, enabling SSRF via proxy hijacking. The server performs DNS resolution on user-supplied sear...

PT-2026-26552

Name of the Vulnerable Software and Affected Versions PJSIP versions 2.16 and below Description PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below contain a Heap-based Buffer Overflow in the DNS parser's name length handler. This impacts...

Envoy vulnerable to crash for scoped ip address during DNS

Summary Calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the originalsrc filter and the dns filter. Details The crashing function is Utility::getAddressWithPort. The crash occurs if a string containing a scoped IPv6...