CVE-2026-82533 DeepSeek Harness < 0.1.2-alpha.1 Authentication Bypass via Host Header Spoofing

DeepSeek Harness before 0.1.2-alpha.1 contains an authentication bypass vulnerability that grants unauthenticated access to its local HTTP agent-control API by accepting a client-supplied loopback Host header in place of validating the actual TCP connection origin. On the default configuration, a...

PT-2026-87187

Name of the Vulnerable Software and Affected Versions DeepSeek Harness versions prior to 0.1.2-alpha.1 Description An authentication bypass exists in the local HTTP agent-control API. The system grants unauthenticated access by accepting a client-supplied loopback Host header instead of validatin...

CVE-2026-86186

AVideo API fails to enforce rate limits when clients send a bot User-Agent header, allowing attackers to bypass all eight protected operations including login brute-force protection. Attackers can send requests with a bot User-Agent to disable rate limiting and perform unlimited password guessing...

EUVD-2026-71215

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files /.cursor/mcp.json, etc...

PT-2026-85588

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files /.cursor/mcp.json, etc...

Linux Distros Unpatched Vulnerability : CVE-2026-63435

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and...

EUVD-2026-63649

Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends...

GHSA-9468-V6MJ-FPPW Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends

Vulnerability Details File: internal/client/handler.go OnClientConnecting, internal/proxy/http.go requestHeaders, internal/proxy/grpc.go requestMetadata, internal/unigrpc/grpc.go Consume Line: handler.go:389,548-552 e.Headers - SetEmulatedHeadersToContext, http.go:131-165 requestHeaders,...

Centrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backends

Vulnerability Details File: internal/client/handler.go OnClientConnecting, internal/proxy/http.go requestHeaders, internal/proxy/grpc.go requestMetadata, internal/unigrpc/grpc.go Consume Line: handler.go:389,548-552 e.Headers - SetEmulatedHeadersToContext, http.go:131-165 requestHeaders,...

EUVD-2026-69609

Mail: Email address spoofing via malformed RFC 2047 encoded-words...

NPM: fastify vulnerable to X-Forwarded-* spoofing under trustProxy hop-count

NPM: fastify vulnerable to X-Forwarded- spoofing under trustProxy hop-count vulnerability discovered by ? in WordPress Npm fastify versions = 5.8.3, 5.12.1...

EUVD-2026-69718

WWBN AVideo fails to validate trusted proxies before accepting X-Real-IP and X-Forwarded-For headers, allowing attackers to spoof the client address used by enforceRateLimit. Attackers can rotate the header value per request to bypass login rate limiting and perform unlimited credential guessing...

CVE-2026-84476

WWBN AVideo fails to validate trusted proxies before accepting X-Real-IP and X-Forwarded-For headers, allowing attackers to spoof the client address used by enforceRateLimit. Attackers can rotate the header value per request to bypass login rate limiting and perform unlimited credential guessing...

CVE-2026-84476 WWBN AVideo Authentication Bypass via X-Real-IP Header

WWBN AVideo fails to validate trusted proxies before accepting X-Real-IP and X-Forwarded-For headers, allowing attackers to spoof the client address used by enforceRateLimit. Attackers can rotate the header value per request to bypass login rate limiting and perform unlimited credential guessing...

CVE-2026-84476 WWBN AVideo Authentication Bypass via X-Real-IP Header

WWBN AVideo fails to validate trusted proxies before accepting X-Real-IP and X-Forwarded-For headers, allowing attackers to spoof the client address used by enforceRateLimit. Attackers can rotate the header value per request to bypass login rate limiting and perform unlimited credential guessing...

DEBIAN-CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435 Mail: Email address spoofing via malformed RFC 2047 encoded-words

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435: Interpretation Conflict

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...